SpringBoot Assignments

JPASpringBootExample/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.7.1</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.springboot.test</groupId>
+	<artifactId>JPASpringBootExample</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>JPASpringBootExample</name>
+	<description>spring boot with jpa</description>
+	<properties>
+		<java.version>1.8</java.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>mysql</groupId>
+			<artifactId>mysql-connector-java</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

JPASpringBootExample/src/main/java/com/springboot/test/JpaSpringBootExampleApplication.java

+ package com.springboot.test;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.ApplicationContext;
+
+import com.springboot.test.dao.UserRepository;
+import com.springboot.test.entities.User;
+
+@SpringBootApplication
+public class JpaSpringBootExampleApplication {
+
+	public static void main(String[] args) {
+		ApplicationContext context =   SpringApplication.run(JpaSpringBootExampleApplication.class, args);
+		UserRepository userRepository = context.getBean(UserRepository.class);
+	
+		User user = new User();
+		user.setRollNo ("102");
+		user.setName("Arsam Rajput");
+		
+		User user2 = new User();
+		user2.setRollNo ("104");
+		user2.setName("Asad Iqbal");
+		
+		User user1 = userRepository.save(user);
+		User user3 = userRepository.save(user2);
+		System.out.println(user1);
+		System.out.println(user3);
+		
+	}
+
+}

JPASpringBootExample/src/main/java/com/springboot/test/dao/UserRepository.java

+ package com.springboot.test.dao;
+
+import org.springframework.data.repository.CrudRepository;
+
+import com.springboot.test.entities.User;
+
+public interface UserRepository extends CrudRepository<User , Integer>{
+
+	
+	
+}

JPASpringBootExample/src/main/java/com/springboot/test/entities/User.java

+package com.springboot.test.entities;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
+public class User {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private int id;
+	private String rollNo;
+	private String name;
+	
+	
+	
+	public User(int id, String rollNo, String name) {
+		super();
+		this.id = id;
+		this.rollNo = rollNo;
+		this.name = name;
+	}
+	
+	
+	public User() {
+		super();
+		// TODO Auto-generated constructor stub
+	}
+
+	@Override
+	public String toString() {
+		return "User [id=" + id + ", rollNo=" + rollNo + ", name=" + name + "]";
+	}
+
+
+	public int getId() {
+		return id;
+	}
+	public void setId(int id) {
+		this.id = id;
+	}
+	public String getRollNo() {
+		return rollNo;
+	}
+	public void setRollNo(String rollNo) {
+		this.rollNo = rollNo;
+	}
+	public String getName() {
+		return name;
+	}
+	public void setName(String name) {
+		this.name = name;
+	}
+	
+	
+	
+	
+	
+}

JPASpringBootExample/src/main/resources/application.properties

+spring.datasource.name=myhibernate
+spring.datasource.url=jdbc:mysql://localhost:3306/myhibernate?characterEncoding=utf8
+spring.datasource.username= root
+spring.datasource.password=nisum123
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL55Dialect
+spring.jpa.hibernate.ddl-auto=update
\ No newline at end of file

JPASpringBootExample/src/test/java/com/springboot/test/JpaSpringBootExampleApplicationTests.java

+package com.springboot.test;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class JpaSpringBootExampleApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}

ManyToManyRelationshipUsingSpringboot/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.7.1</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.studentcrudoperation</groupId>
+	<artifactId>manytomanyrelationshipusing</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>ManyToManyRelationshipUsingSpringBoot</name>
+	<description>Many To Many Relationship Using Spring Boot</description>
+	<properties>
+		<java.version>1.8</java.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-devtools</artifactId>
+			<scope>runtime</scope>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>mysql</groupId>
+			<artifactId>mysql-connector-java</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+				<configuration>
+					<excludes>
+						<exclude>
+							<groupId>org.projectlombok</groupId>
+							<artifactId>lombok</artifactId>
+						</exclude>
+					</excludes>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

ManyToManyRelationshipUsingSpringboot/src/main/java/com/studentcrudoperation/Controller/CourseController.java

+package com.studentcrudoperation.Controller;
+
+import java.util.List;
+import com.studentcrudoperation.Model.Course;
+import com.studentcrudoperation.Service.CourseService;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.beans.factory.annotation.Autowired;
+
+@RestController
+public class CourseController {
+
+    @Autowired
+    CourseService courseService;
+
+    @GetMapping("/courses")
+    public List<Course> getAllStudents() {
+        return this.courseService.getAllCourses();
+    }
+
+    @GetMapping("/courses/{id}")
+    public Course getCourseByID(@PathVariable("id") int cid) {
+        return this.courseService.getCourseByID(cid);
+    }
+
+    @PostMapping("/courses")
+    public Course addCourse(@RequestBody Course course) {
+        Course co = this.courseService.addCourse(course);
+        return co;
+    }
+
+    @PutMapping("/courses/{courseId}")
+    public Course updateCourse(@RequestBody Course course, @PathVariable("courseId")int courseId) {
+        this.courseService.updateCourse(course, courseId);
+        return course;
+    }
+
+    @DeleteMapping("/courses/{courseId}")
+    public void deleteCourse(@PathVariable("courseId") int courseId) {
+        this.courseService.deleteCourseById(courseId);
+    }
+
+}
\ No newline at end of file

ManyToManyRelationshipUsingSpringboot/src/main/java/com/studentcrudoperation/Controller/StudentController.java

+package com.studentcrudoperation.Controller;
+
+import java.util.List;
+import com.studentcrudoperation.Model.Student;
+import com.studentcrudoperation.Service.StudentService;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.beans.factory.annotation.Autowired;
+
+@RestController
+public class StudentController {
+
+    @Autowired
+    StudentService studentService;
+
+    @GetMapping("/students")
+    public List<Student> getAllStudents() {
+        return this.studentService.getAllStudents();
+    }
+
+    @GetMapping("/students/{id}")
+    public Student getStudentByID(@PathVariable("id") int id) {
+        return this.studentService.getStudentByID(id);
+    }
+
+
+    @PostMapping("/students")
+    public Student addStudent(@RequestBody Student student) {
+        Student st = this.studentService.addStudent(student);
+        return st;
+    }
+
+    @PutMapping("/students/{studentId}")
+    public Student updateStudent(@RequestBody Student student, @PathVariable("studentId")int studentId) {
+        this.studentService.updateStudent(student, studentId);
+        return student;
+    }
+
+    @DeleteMapping("/students/{studentId}")
+    public void deleteStudent(@PathVariable("studentId") int studentId) {
+        this.studentService.deleteStudentById(studentId);
+    }
+
+
+
+}

ManyToManyRelationshipUsingSpringboot/src/main/java/com/studentcrudoperation/ManyToManyRelationshipUsingSpringBootApplication.java

+package com.studentcrudoperation;
+
+import com.studentcrudoperation.Model.Student;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+@Slf4j
+public class ManyToManyRelationshipUsingSpringBootApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(ManyToManyRelationshipUsingSpringBootApplication.class, args);
+		log.info("Project Started.......!!");
+	}
+
+}

ManyToManyRelationshipUsingSpringboot/src/main/java/com/studentcrudoperation/Model/Course.java

+package com.studentcrudoperation.Model;
+        import lombok.Getter;
+        import lombok.Setter;
+        import java.util.List;
+        import lombok.ToString;
+        import java.util.ArrayList;
+        import javax.persistence.Id;
+        import javax.persistence.Table;
+        import javax.persistence.Entity;
+        import lombok.NoArgsConstructor;
+        import lombok.AllArgsConstructor;
+        import javax.persistence.JoinColumn;
+        import javax.persistence.ManyToMany;
+        import javax.persistence.JoinTable;
+        import javax.persistence.GeneratedValue;
+        import javax.persistence.GenerationType;
+@Getter
+@Setter
+@ToString
+@NoArgsConstructor
+@AllArgsConstructor
+@Entity
+@Table(name = "course")
+public class Course {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Integer cid;
+    private String cname;
+
+    @ManyToMany
+    @JoinTable(name="student_course", joinColumns=@JoinColumn(name="cid"),
+            inverseJoinColumns=@JoinColumn(name="sid"))
+    private List <Student> students = new ArrayList<>();
+
+}

ManyToManyRelationshipUsingSpringboot/src/main/java/com/studentcrudoperation/Model/Student.java

+package com.studentcrudoperation.Model;
+
+import lombok.Getter;
+import lombok.Setter;
+import java.util.List;
+import lombok.ToString;
+import java.util.ArrayList;
+import javax.persistence.Id;
+import javax.persistence.Table;
+import javax.persistence.Entity;
+import lombok.NoArgsConstructor;
+import lombok.AllArgsConstructor;
+import javax.persistence.ManyToMany;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+
+@Getter
+@Setter
+@ToString
+@NoArgsConstructor
+@AllArgsConstructor
+@Entity
+@Table(name = "student")
+public class Student {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Integer sid;
+    private String rno;
+    private String name;
+
+    @ManyToMany(mappedBy ="students")
+    private List<Course> courses = new ArrayList<>();
+
+}

ManyToManyRelationshipUsingSpringboot/src/main/java/com/studentcrudoperation/Repository/CourseRepository.java

+package com.studentcrudoperation.Repository;
+
+import org.springframework.data.repository.CrudRepository;
+
+import org.springframework.stereotype.Repository;
+import com.studentcrudoperation.Model.Course;
+
+@Repository
+public interface CourseRepository extends CrudRepository <Course , Integer>{
+
+    Course findById(int cid);
+
+}
\ No newline at end of file

ManyToManyRelationshipUsingSpringboot/src/main/java/com/studentcrudoperation/Repository/StudentRepository.java

+package com.studentcrudoperation.Repository;
+
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+import com.studentcrudoperation.Model.Student;
+
+@Repository
+public interface StudentRepository extends CrudRepository<Student, Integer>{
+
+    Student findById(int sid);
+
+}

ManyToManyRelationshipUsingSpringboot/src/main/java/com/studentcrudoperation/Service/CourseService.java

+package com.studentcrudoperation.Service;
+
+import java.util.List;
+import com.studentcrudoperation.Model.Course;
+public interface CourseService {
+
+    public List<Course> getAllCourses();
+
+    // Students get by id
+    public Course getCourseByID(int cid);
+
+    // Add student records
+    public Course addCourse(Course co);
+
+    //Delete by id
+
+    public void deleteCourseById(int coid);
+
+    // Update records
+    public void updateCourse(Course course, int CourseId);
+
+    public Course save(Course course);
+
+}

ManyToManyRelationshipUsingSpringboot/src/main/java/com/studentcrudoperation/Service/CourseServiceImpl.java

+package com.studentcrudoperation.Service;
+
+import java.util.List;
+import com.studentcrudoperation.Model.Course;
+import org.springframework.stereotype.Service;
+import com.studentcrudoperation.Repository.CourseRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+
+@Service
+public class CourseServiceImpl implements CourseService {
+
+
+    @Autowired
+    private CourseRepository crepo;
+
+    @Override
+    public List<Course> getAllCourses() {
+        List<Course> list = (List<Course>)crepo.findAll();
+        return list;
+    }
+
+    @Override
+    public Course getCourseByID(int cid) {
+        Course course = null;
+        course = crepo.findById(cid);
+        return course;
+    }
+
+    @Override
+    public Course addCourse(Course co) {
+        crepo.save(co);
+        return co;
+    }
+
+    @Override
+    public void deleteCourseById(int coid) {
+        this.crepo.deleteById(coid);
+
+    }
+
+    @Override
+    public void updateCourse(Course course, int CourseId) {
+        course.setCid(CourseId);
+        crepo.save(course);
+
+    }
+
+    @Override
+    public Course save(Course course) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+}

ManyToManyRelationshipUsingSpringboot/src/main/java/com/studentcrudoperation/Service/StudentService.java

+package com.studentcrudoperation.Service;
+
+import java.util.List;
+
+import com.studentcrudoperation.Model.Student;
+
+public interface StudentService {
+
+    //Get All Students
+    public List<Student> getAllStudents();
+
+    // Students get by id
+    public Student getStudentByID(int id);
+
+    // Add student records
+    public Student addStudent(Student st);
+
+    //Delete by id
+
+    public void deleteStudentById(int ssid);
+
+    // Update records
+    public void updateStudent(Student student, int studentId);
+
+    public Student save(Student student);
+
+}
\ No newline at end of file

ManyToManyRelationshipUsingSpringboot/src/main/java/com/studentcrudoperation/Service/StudentServiceImpl.java

+package com.studentcrudoperation.Service;
+
+import java.util.List;
+import org.springframework.stereotype.Service;
+import com.studentcrudoperation.Model.Student;
+import com.studentcrudoperation.Repository.StudentRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+
+@Service
+public class StudentServiceImpl implements StudentService{
+
+    @Autowired
+    private StudentRepository studentRepository;
+
+    @Override
+    public List<Student> getAllStudents() {
+        List<Student> list = (List<Student>) studentRepository.findAll();
+        return list;
+    }
+
+    @Override
+    public Student getStudentByID(int id) {
+        Student student = null;
+        student = studentRepository.findById(id );
+        return student;
+    }
+
+    @Override
+    public Student addStudent(Student st) {
+        studentRepository.save(st);
+        return st;
+    }
+
+    @Override
+    public void deleteStudentById(int ssid) {
+        this.studentRepository.deleteById(ssid);
+
+    }
+
+    @Override
+    public void updateStudent(Student student, int studentId) {
+        student.setSid(studentId);
+        studentRepository.save(student);
+    }
+
+    @Override
+    public Student save(Student student) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+}
\ No newline at end of file

ManyToManyRelationshipUsingSpringboot/src/main/resources/application.properties

+server.port=8082
+spring.datasource.name=springBoot
+spring.datasource.url=jdbc:mysql://localhost:3306/springBoot?characterEncoding=utf8
+spring.datasource.username= root
+spring.datasource.password=nisum123
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL55Dialect
+spring.jpa.generate-ddl=true
+spring.jpa.hibernate.ddl-auto=update

ManyToManyRelationshipUsingSpringboot/src/test/java/com/studentcrudoperation/ManyToManyRelationshipUsingSpringBootApplicationTests.java

+package com.studentcrudoperation;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class ManyToManyRelationshipUsingSpringBootApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}

SpringBootHelloWorld/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.7.0</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.firstprogramspringboot</groupId>
+	<artifactId>HelloSpringBoot</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>SpringBootHelloWorld</name>
+	<description>Demo project for Spring Boot</description>
+	<properties>
+		<java.version>1.8</java.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

SpringBootHelloWorld/src/main/java/com/firstprogramspringboot/MainController.java

+package com.firstprogramspringboot;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+@Controller
+public class MainController {
+
+	@RequestMapping("/HelloWorld")
+	@ResponseBody
+	public String helloWorld() {
+		return "Hello World .......";
+	}
+	
+}

SpringBootHelloWorld/src/main/java/com/firstprogramspringboot/SpringBootHelloWorldApplication.java

+package com.firstprogramspringboot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringBootHelloWorldApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SpringBootHelloWorldApplication.class, args);
+	  
+	}
+
+}

SpringBootHelloWorld/src/main/resources/application.properties

+

SpringBootHelloWorld/src/test/java/com/firstprogramspringboot/SpringBootHelloWorldApplicationTests.java

+package com.firstprogramspringboot;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class SpringBootHelloWorldApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}

SpringBootHelloWorldUsingJsp/pom.xml

+ <?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.7.0</version>
+		<relativePath /> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.springboot.project</groupId>
+	<artifactId>HelloSpringBoot</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>SpringBootHelloWorldUsingJsp</name>
+	<description>Demo project for Spring Boot</description>
+	<properties>
+		<java.version>1.8</java.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<!-- https://mvnrepository.com/artifact/org.apache.tomcat/tomcat-jasper -->
+		<dependency>
+			<groupId>org.apache.tomcat</groupId>
+			<artifactId>tomcat-jasper</artifactId>
+			<version>9.0.63</version>
+		</dependency>
+
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

SpringBootHelloWorldUsingJsp/src/main/java/com/springboot/project/MainController.java

+package com.springboot.project;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+
+@Controller
+public class MainController {
+	
+	@RequestMapping("/index")
+	public String index() {
+		return "index";
+	}
+	
+}

SpringBootHelloWorldUsingJsp/src/main/java/com/springboot/project/SpringBootHelloWorldUsingJspApplication.java

+package com.springboot.project;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringBootHelloWorldUsingJspApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SpringBootHelloWorldUsingJspApplication.class, args);
+	}
+
+}

SpringBootHelloWorldUsingJsp/src/main/resources/application.properties

+
+spring.mvc.view.prefix=/views/
+spring.mvc.view.suffix=.jsp
\ No newline at end of file

SpringBootHelloWorldUsingJsp/src/main/webapp/views/index.jsp

+
+<%@ page language="java" contentType="text/html; charset=UTF-8"
+    pageEncoding="UTF-8"%>
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<title>Insert title here</title>
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/css/bootstrap.min.css" integrity="sha384-zCbKRCUGaJDkqS1kPbPd7TveP5iyJE0EjAuZQTgFLD2ylzuqKfdKlfG/eSrtxUkn" crossorigin="anonymous">
+<style>
+*{
+margin:0px;
+padding:0px;
+}
+
+</style>
+</head>
+<body>
+
+<nav class="navbar navbar-expand-lg navbar-dark bg-dark text-primary">
+  <a class="navbar-brand text-info font-weight-bold" href="http://localhost:8080/CreateASimpleWebApplication/#">NISUM TECHNOLOGY</a>
+  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
+    <span class="navbar-toggler-icon"></span>
+  </button>
+
+  <div class="collapse navbar-collapse" id="navbarSupportedContent">
+    <ul class="navbar-nav mr-auto">
+      <li class="nav-item active">
+        <a class="nav-link" href="https://www.nisum.com/">Home <span class="sr-only">(current)</span></a>
+      </li>
+      <li class="nav-item active">
+        <a class="nav-link" href="#">About Us <span class="sr-only">(current)</span></a>
+      </li>
+      <li class="nav-item active">
+        <a class="nav-link" href="#">Contact Us <span class="sr-only">(current)</span></a>
+      </li>
+
+      <li class="nav-item dropdown">
+        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-expanded="false">
+          Carears
+        </a>
+        <div class="dropdown-menu" aria-labelledby="navbarDropdown">
+          <a class="dropdown-item" href="#">Action</a>
+          <a class="dropdown-item" href="#">Another action</a>
+          <div class="dropdown-divider"></div>
+          <a class="dropdown-item" href="#">Something else here</a>
+        </div>
+      </li>
+      
+    </ul>
+    <form class="form-inline my-2 my-lg-0">
+      <input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
+      <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
+    </form>
+  </div>
+</nav>
+
+<div class="card ">
+  <div class="card-header text-center">
+  <br>
+    <h5 class="card-title text-info">WELCOME TO NISUM TECHNOLOGY</h5>
+    <h4 class="card-text text-success">Nisum has developed proprietary tools that can be instantly integrated into your company's infrastructure to rapidly solve problems in business agility.</h4>
+    <a href="" class="btn btn-primary">Crud Operation</a>
+  </div>
+   <br><br><br>
+   
+  <div class="card-body">
+   
+ <div class="container">
+<div class="row">
+<div class="col-md-6 offset-md-3">
+<div class="card rounded-lg border border-danger">
+<div class="card-header">
+<h1 align="center">WELCOME TO NISUM TECHNOLOGY</h1>
+</div>
+
+</div>
+</div>
+</div>
+</div> 
+ <br><br>
+ 
+<h1 class="card-title text-primary text-center">NISUM IS HIRING FOR JAVA DEVELOPER .</h1>
+ 
+ <br><br>
+  <h5 class="card-title text-warning">We have a 15-year average tenure with our clients because we strive to consistently deliver excellence, and we have a proven track record of fulfilling our commitments. We believe our clients' success is our success and have grown because of our clients' trust in our expertise and integrity. We commit to continuing to invest in our partners' needs and strive to develop and grow successful, long-term relationships.</h5>
+  </div>
+  <div class="card-footer bg-info text-center">
+   <br><br><br>
+    <h5 class="card-title text-warning">BUILDING SUCCESS TOGETHER</h5>
+    <h4 class="card-text text-danger">Nisum Technology Is Hiring For Java Developer & Java Script Developer </h4>
+    <a href="https://www.nisum.com/" class="btn btn-dark">For More Updates Visit THis Site</a>
+     <br><br>
+  </div>
+</body>
+</html> 
\ No newline at end of file

SpringBootHelloWorldUsingJsp/src/test/java/com/springboot/project/SpringBootHelloWorldUsingJspApplicationTests.java

+package com.springboot.project;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class SpringBootHelloWorldUsingJspApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}

StudentCrudOperationWIthSpringBootAndJpa/${project.build.directory}/classes/application.properties

+server.port = 8090
+spring.datasource.name=springBootPractice
+spring.datasource.url=jdbc:mysql://localhost:3306/springBootPractice?characterEncoding=utf8
+spring.datasource.username= root
+spring.datasource.password=nisum123
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL55Dialect
+spring.jpa.generate-ddl=true
+spring.jpa.hibernate.ddl-auto=update

StudentCrudOperationWIthSpringBootAndJpa/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.7.1</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.studentcrud</groupId>
+	<artifactId>StudentCrudOperation </artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	
+	<name>StudentCrudOperationWIthSpringBootAndJpa</name>
+	<description>Creating Students API </description>
+	<properties>
+		<java.version>1.8</java.version>
+	</properties>
+	<dependencies>
+	<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-thymeleaf</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-devtools</artifactId>
+			<scope>runtime</scope>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>mysql</groupId>
+			<artifactId>mysql-connector-java</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

StudentCrudOperationWIthSpringBootAndJpa/src/main/java/com/studentcrud/StudentCrudOperationWIthSpringBootAndJpaApplication.java

+package com.studentcrud;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class StudentCrudOperationWIthSpringBootAndJpaApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(StudentCrudOperationWIthSpringBootAndJpaApplication.class, args);
+		System.out.println("Project Started........");
+	}
+
+}

StudentCrudOperationWIthSpringBootAndJpa/src/main/java/com/studentcrud/controller/StudentController.java

+package com.studentcrud.controller;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.studentcrud.model.Student;
+import com.studentcrud.service.StudentService;
+
+@RestController
+public class StudentController {
+
+	  @Autowired
+	    StudentService studentService;
+	
+	@GetMapping("/students")
+	public List<Student> getAllStudents() {
+			return this.studentService.getAllStudents();		
+	}
+	 
+	@GetMapping("/students/{id}")
+	public Student getStudentByID(@PathVariable("id") int id) {
+			return this.studentService.getStudentByID(id);		
+	}
+	
+	
+	@PostMapping("/students") 
+	public Student addStudent(@RequestBody Student student) {
+	Student st = this.studentService.addStudent(student);
+	return st;
+   }
+	
+	@PutMapping("/students/{studentId}")
+	public Student updateStudent(@RequestBody Student student, @PathVariable("studentId")int studentId) {
+		this.studentService.updateStudent(student, studentId);
+		return student;
+	}
+	
+	@DeleteMapping("/students/{studentId}")
+	public void deleteStudent(@PathVariable("studentId") int studentId) {
+		this.studentService.deleteStudentById(studentId);
+	}
+	
+	
+	
+	
+}

StudentCrudOperationWIthSpringBootAndJpa/src/main/java/com/studentcrud/model/Student.java

+package com.studentcrud.model;
+
+import javax.persistence.Entity;
+
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+@Entity
+@Table(name = "student_record")
+public class Student {
+	
+	@Id
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private Integer id;
+	private String rno;
+	private String name;
+	
+	public Student(int id, String rno, String name) {
+		super();
+		this.id = id;
+		this.rno = rno;
+		this.name = name;
+	}
+	
+	
+
+	public Integer getId() {
+		return id;
+	}
+
+
+
+	public void setId(Integer id) {
+		this.id = id;
+	}
+
+
+
+	public String getRno() {
+		return rno;
+	}
+
+
+
+	public void setRno(String rno) {
+		this.rno = rno;
+	}
+
+
+
+	public String getName() {
+		return name;
+	}
+
+
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+
+
+	public Student() {
+		super();
+		// TODO Auto-generated constructor stub
+	}
+
+	@Override
+	public String toString() {
+		return "Student [id=" + id + ", rno=" + rno + ", name=" + name + "]";
+	}
+	
+	
+
+}

StudentCrudOperationWIthSpringBootAndJpa/src/main/java/com/studentcrud/repository/StudentRepository.java

+package com.studentcrud.repository;
+
+import org.springframework.data.repository.CrudRepository;
+
+import org.springframework.stereotype.Repository;
+
+import com.studentcrud.model.Student;
+
+
+@Repository
+public interface StudentRepository extends CrudRepository<Student, Integer>{
+
+     Student findById(int id);
+	
+}

StudentCrudOperationWIthSpringBootAndJpa/src/main/java/com/studentcrud/service/StudentService.java

+package com.studentcrud.service;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import com.studentcrud.model.Student;
+
+import com.studentcrud.repository.StudentRepository;
+
+
+@Service
+public class StudentService {
+
+	@Autowired
+	private StudentRepository repo;
+
+	public List<Student> getAllStudents() {
+	 List<Student> list = (List<Student>)repo.findAll();
+	return list;
+	}
+
+	// students get by id
+	public Student getStudentByID(int id) {
+		Student student = null;
+		student = repo.findById(id);
+		return student;
+	}
+	
+	// add student records
+	
+
+	public Student addStudent(Student st) {
+		repo.save(st);
+		return st;
+	}
+	
+	//delete by id 
+	
+	public void deleteStudentById(int sid) {
+		this.repo.deleteById(sid);
+	}
+	
+	// update records
+	public void updateStudent(Student student, int studentId) {
+		student.setId(studentId);
+		repo.save(student);
+	}
+
+	public Student save(Student student) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+	
+	
+	
+	
+
+}

StudentCrudOperationWIthSpringBootAndJpa/src/main/resources/application.properties

+server.port = 8090
+spring.datasource.name=springBootPractice
+spring.datasource.url=jdbc:mysql://localhost:3306/springBootPractice?characterEncoding=utf8
+spring.datasource.username= root
+spring.datasource.password=nisum123
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL55Dialect
+spring.jpa.generate-ddl=true
+spring.jpa.hibernate.ddl-auto=update

StudentCrudOperationWIthSpringBootAndJpa/src/test/java/com/studentcrud/StudentCrudOperationWIthSpringBootAndJpaApplicationTests.java

+package com.studentcrud;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class StudentCrudOperationWIthSpringBootAndJpaApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}

studentCrudOperationWIthSpringBoo/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.7.1</version>
+		<relativePath /> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.studentcrud</groupId>
+	<artifactId>StudentCrudOperation </artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+
+	<name>StudentCrudOperationWIthSpringBootAndJpa</name>
+	<description>Creating Students API </description>
+	<properties>
+		<java.version>1.8</java.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-thymeleaf</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-devtools</artifactId>
+			<scope>runtime</scope>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>mysql</groupId>
+			<artifactId>mysql-connector-java</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<version>1.18.20</version>
+			<scope>provided</scope>
+		</dependency>
+
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+
+			<plugin>
+				<groupId>org.projectlombok</groupId>
+				<artifactId>lombok-maven-plugin</artifactId>
+				<version>1.18.20.0</version>
+				<executions>
+					<execution>
+						<phase>generate-sources</phase>
+						<goals>
+							<goal>delombok</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+
+		</plugins>
+	</build>
+
+</project>

studentCrudOperationWIthSpringBoo/src/main/java/com/studentcrud/StudentCrudOperationWIthSpringBootAndJpaApplication.java

+package com.studentcrud;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class StudentCrudOperationWIthSpringBootAndJpaApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(StudentCrudOperationWIthSpringBootAndJpaApplication.class, args);
+		System.out.println("Project Started........");
+	}
+
+}

studentCrudOperationWIthSpringBoo/src/main/java/com/studentcrud/controller/StudentController.java

+package com.studentcrud.controller;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.studentcrud.model.Student;
+import com.studentcrud.service.StudentServiceImpl;
+
+@RestController
+public class StudentController {
+
+	  @Autowired
+	    StudentServiceImpl studentService;
+	 
+	@GetMapping("/students")
+	public List<Student> getAllStudents() {
+			return this.studentService.getAllStudents();		
+	}
+	 
+	@GetMapping("/students/{id}")
+	public Student getStudentByID(@PathVariable("id") int id) {
+			return this.studentService.getStudentByID(id);		
+	}
+	
+	
+	@PostMapping("/students") 
+	public Student addStudent(@RequestBody Student student) {
+	Student st = this.studentService.addStudent(student);
+	return st;
+   }
+	
+	@PutMapping("/students/{studentId}")
+	public Student updateStudent(@RequestBody Student student, @PathVariable("studentId")int studentId) {
+		this.studentService.updateStudent(student, studentId);
+		return student;
+	}
+	
+	@DeleteMapping("/students/{studentId}")
+	public void deleteStudent(@PathVariable("studentId") int studentId) {
+		this.studentService.deleteStudentById(studentId);
+	}
+	
+	
+}

studentCrudOperationWIthSpringBoo/src/main/java/com/studentcrud/model/Course.java

+package com.studentcrud.model;
+
+import javax.persistence.Entity;
+import javax.persistence.Table;
+
+
+public class Course {
+	
+	private Integer id;
+	private String name;
+	
+	public Course(Integer id, String name) {
+		super();
+		this.id = id;
+		this.name = name;
+	}
+	
+	
+	public Integer getId() {
+		return id;
+	}
+	public void setId(Integer id) {
+		this.id = id;
+	}
+	public String getName() {
+		return name;
+	}
+	public void setName(String name) {
+		this.name = name;
+	}
+
+
+	public Course() {
+		super();
+		// TODO Auto-generated constructor stub
+	}
+
+
+	@Override
+	public String toString() {
+		return "Course [id=" + id + ", name=" + name + "]";
+	}
+
+	
+	
+	
+}

studentCrudOperationWIthSpringBoo/src/main/java/com/studentcrud/model/Student.java

+package com.studentcrud.model;
+
+import javax.persistence.Entity;
+
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+
+import lombok.Getter;
+import lombok.Setter;
+
+
+@Entity
+@Table(name = "student_record")
+@Getter
+@Setter
+public class Student {
+	
+	@Id
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private Integer id;
+	private String rno;
+	private String name;
+	
+	public Student(int id, String rno, String name) {
+		super();
+		this.id = id;
+		this.rno = rno;
+		this.name = name;
+	}
+	
+	public Integer getId() {
+		return id;
+	}
+
+	public void setId(Integer id) {
+		this.id = id;
+	}
+
+	public String getRno() {
+		return rno;
+	}
+
+	public void setRno(String rno) {
+		this.rno = rno;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+	
+	public Student() {
+		super();
+		// TODO Auto-generated constructor stub
+	}
+
+	@Override
+	public String toString() {
+		return "Student [id=" + id + ", rno=" + rno + ", name=" + name + "]";
+	}
+		
+}

studentCrudOperationWIthSpringBoo/src/main/java/com/studentcrud/repository/StudentRepository.java

+package com.studentcrud.repository;
+
+import org.springframework.data.repository.CrudRepository;
+
+import org.springframework.stereotype.Repository;
+
+import com.studentcrud.model.Student;
+
+
+@Repository
+public interface StudentRepository extends CrudRepository<Student, Integer>{
+
+     Student findById(int id);
+	
+}

studentCrudOperationWIthSpringBoo/src/main/java/com/studentcrud/service/CourseService.java

+package com.studentcrud.service;
+
+public interface CourseService {
+
+}

studentCrudOperationWIthSpringBoo/src/main/java/com/studentcrud/service/CourseServiceImpl.java

+package com.studentcrud.service;
+
+public class CourseServiceImpl {
+
+}

studentCrudOperationWIthSpringBoo/src/main/java/com/studentcrud/service/StudentService.java

+package com.studentcrud.service;
+
+import java.util.List;
+import com.studentcrud.model.Student;
+
+public interface StudentService {
+
+	//Get All Students
+	public List<Student> getAllStudents();
+
+		// Students get by id
+		public Student getStudentByID(int id);
+		
+		// Add student records
+		public Student addStudent(Student st);
+		
+		//Delete by id 
+		
+		public void deleteStudentById(int sid);
+		
+		// Update records
+		public void updateStudent(Student student, int studentId);
+		
+
+		public Student save(Student student);
+		
+}

studentCrudOperationWIthSpringBoo/src/main/java/com/studentcrud/service/StudentServiceImpl.java

+package com.studentcrud.service;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import com.studentcrud.model.Student;
+
+import com.studentcrud.repository.StudentRepository;
+
+
+@Service
+public class StudentServiceImpl implements StudentService{
+
+	@Autowired
+	private StudentRepository repo;
+	
+	@Override
+	public List<Student> getAllStudents() {
+		List<Student> list = (List<Student>)repo.findAll();
+		return list;
+	}
+	
+
+	@Override
+	public Student getStudentByID(int id) {
+		Student student = null;
+		student = repo.findById(id);
+		return student;
+	}
+
+	@Override
+	public Student addStudent(Student st) {
+		repo.save(st);
+		return st;
+	}
+
+	@Override
+	public void deleteStudentById(int sid) {
+		this.repo.deleteById(sid);
+		
+	}
+
+	@Override
+	public void updateStudent(Student student, int studentId) {
+		student.setId(studentId);
+		repo.save(student);	
+	}
+	
+	@Override
+	public Student save(Student student) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+	
+	
+	
+
+//	public List<Student> getAllStudents() {
+//	 List<Student> list = (List<Student>)repo.findAll();
+//	return list;
+//	}
+//
+//	// students get by id
+//	public Student getStudentByID(int id) {
+//		Student student = null;
+//		student = repo.findById(id);
+//		return student;
+//	}
+//	
+//	// add student records
+//	public Student addStudent(Student st) {
+//		repo.save(st);
+//		return st;
+//	}
+//	
+//	//delete by id 
+//	
+//	public void deleteStudentById(int sid) {
+//		this.repo.deleteById(sid);
+//	}
+//	
+//	// update records
+//	public void updateStudent(Student student, int studentId) {
+//		student.setId(studentId);
+//		repo.save(student);
+//	}
+//
+//	public Student save(Student student) {
+//		// TODO Auto-generated method stub
+//		return null;
+//	}
+	
+	
+	
+	
+
+}

studentCrudOperationWIthSpringBoo/src/main/resources/application.properties

+server.port=9090
+spring.datasource.name=springBootPractice
+spring.datasource.url=jdbc:mysql://localhost:3306/springBootPractice?characterEncoding=utf8
+spring.datasource.username= root
+spring.datasource.password=nisum123
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL55Dialect
+spring.jpa.generate-ddl=true
+spring.jpa.hibernate.ddl-auto=update
\ No newline at end of file

studentCrudOperationWIthSpringBoo/src/test/java/com/studentcrud/StudentCrudOperationWIthSpringBootAndJpaApplicationTests.java

+package com.studentcrud;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class StudentCrudOperationWIthSpringBootAndJpaApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}