initial commit

.gitignore

+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

.mvn/wrapper/maven-wrapper.properties

+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.4/apache-maven-3.8.4-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar

mvnw.cmd

+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
+) else (
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% ^
+  %JVM_CONFIG_MAVEN_PROPS% ^
+  %MAVEN_OPTS% ^
+  %MAVEN_DEBUG_OPTS% ^
+  -classpath %WRAPPER_JAR% ^
+  "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
+  %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%"=="on" pause
+
+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
+
+cmd /C exit /B %ERROR_CODE%

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.example</groupId>
+	<artifactId>demo</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>Student_Management</name>
+	<description>Demo project for Spring Boot</description>
+	<properties>
+		<java.version>17</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>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-thymeleaf</artifactId>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
+		<dependency>
+			<groupId>mysql</groupId>
+			<artifactId>mysql-connector-java</artifactId>
+			<version>8.0.29</version>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

src/main/java/com/example/demo/StudentManagementApplication.java

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

src/main/java/com/example/demo/controller/CourseController.java

+package com.example.demo.controller;
+
+import com.example.demo.service.CourseService;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+
+@Controller
+@RequestMapping("/courses")
+public class CourseController {
+
+    private final CourseService courseService;
+
+    public CourseController(CourseService courseService){
+        this.courseService = courseService;
+    }
+
+    @GetMapping
+    public String getAllStudents(Model model){
+        model.addAttribute("courses", courseService.getAllCourses());
+        return "courses";
+    }
+
+}

src/main/java/com/example/demo/controller/CourseRestController.java

+package com.example.demo.controller;
+
+import com.example.demo.model.Course;
+import com.example.demo.service.CourseService;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+import java.util.Optional;
+
+@RestController
+@RequestMapping("/api/courses")
+public class CourseRestController {
+
+    private CourseService courseService;
+
+    public CourseRestController(CourseService courseService) {
+        this.courseService = courseService;
+    }
+
+    @GetMapping
+    public List<Course> getAllCourse(){
+        return courseService.getAllCourses();
+    }
+
+    @GetMapping("/{id}")
+    public ResponseEntity<Course> findCourseById(@PathVariable(value = "id") int id){
+        return courseService.findCourseById(id);
+    }
+}
\ No newline at end of file

src/main/java/com/example/demo/controller/StudentController.java

+package com.example.demo.controller;
+
+import com.example.demo.service.StudentService;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+@RequestMapping("/students")
+public class StudentController {
+
+    private final StudentService studentService;
+
+    public StudentController(StudentService studentService){
+        this.studentService = studentService;
+    }
+
+    @GetMapping
+    public String getAllStudents(Model model){
+        model.addAttribute("students", studentService.getAllStudents());
+        return "students";
+    }
+
+}

src/main/java/com/example/demo/controller/StudentRestController.java

+package com.example.demo.controller;
+
+import com.example.demo.model.Student;
+import com.example.demo.service.StudentService;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+
+@RestController
+@RequestMapping("/api/students")
+public class StudentRestController {
+
+    private final StudentService studentService;
+
+    public StudentRestController(StudentService studentService) {
+        this.studentService = studentService;
+    }
+
+    @GetMapping
+    public List<Student> getAllStudents(){
+        return studentService.getAllStudents();
+    }
+
+    @GetMapping("{id}")
+    public ResponseEntity<Student> findStudentById(@PathVariable(value = "id") int id){
+        return studentService.findStudentById(id);
+    }
+
+    @PostMapping
+    public void createStudent(@Validated @RequestBody Student student){
+        studentService.createStudent(student);
+    }
+
+    @PutMapping("{id}")
+    public void updateStudent(@PathVariable int id, @RequestBody Student student){
+        studentService.updateStudent(id, student);
+    }
+
+    @DeleteMapping("{id}")
+    public void deleteStudent(@PathVariable(value = "id") int id){
+        studentService.deleteStudent(id);
+    }
+}

src/main/java/com/example/demo/model/Course.java

+package com.example.demo.model;
+
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+@Entity
+@Table
+public class Course {
+
+    @Column(name="COURSE_ID")
+    @Id
+    private int id;
+    @Column(name="NAME")
+    private String name;
+
+    public Course() {
+    }
+
+    public Course(int id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @Override
+    public String toString() {
+        return "Course{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                '}';
+    }
+}

src/main/java/com/example/demo/model/Student.java

+package com.example.demo.model;
+
+
+import javax.persistence.*;
+
+@Entity
+public class Student {
+    @Column(name="STUDENT_ID")
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private int id;
+    @Column(name="NAME")
+    private String name;
+    @Column(name="ROLLNO")
+    private int rollNo;
+    @Column(name="AGE")
+    private int age;
+
+    public Student() {
+    }
+
+    public Student(int id, String name, int rollNo, int age) {
+        this.id = id;
+        this.name = name;
+        this.rollNo = rollNo;
+        this.age = age;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getRollNo() {
+        return rollNo;
+    }
+
+    public void setRollNo(int rollNo) {
+        this.rollNo = rollNo;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public void setAge(int age) {
+        this.age = age;
+    }
+
+    @Override
+    public String toString() {
+        return "Student{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                ", rollNo=" + rollNo +
+                ", age=" + age +
+                '}';
+    }
+}

src/main/java/com/example/demo/repository/CourseRepository.java

+package com.example.demo.repository;
+
+import com.example.demo.model.Course;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Component;
+
+public interface CourseRepository extends JpaRepository<Course, Integer> {
+}

src/main/java/com/example/demo/repository/StudentRepository.java

+package com.example.demo.repository;
+
+import com.example.demo.model.Student;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface StudentRepository extends JpaRepository<Student, Integer> {
+}

src/main/java/com/example/demo/service/CourseService.java

+package com.example.demo.service;
+
+import com.example.demo.model.Course;
+import com.example.demo.repository.CourseRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+import org.springframework.web.bind.annotation.PathVariable;
+
+import java.util.List;
+import java.util.Optional;
+
+@Service
+public class CourseService {
+
+    private final CourseRepository courseRepository;
+
+    public CourseService(CourseRepository courseRepository) {
+        this.courseRepository = courseRepository;
+    }
+
+
+    public List<Course> getAllCourses(){
+        return courseRepository.findAll();
+    }
+
+    public ResponseEntity<Course> findCourseById(@PathVariable(value = "id") int id) {
+
+        // Optional is a container object used to contain not-null objects.
+        Optional<Course> course = courseRepository.findById(id);
+
+        if(course.isPresent()) {
+            return ResponseEntity.ok().body(course.get());
+        } else {
+            return ResponseEntity.notFound().build();
+        }
+    }
+}

src/main/java/com/example/demo/service/StudentService.java

+package com.example.demo.service;
+
+import com.example.demo.model.Student;
+import com.example.demo.repository.StudentRepository;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+import org.springframework.validation.annotation.Validated;
+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.RequestBody;
+
+import java.util.List;
+import java.util.Optional;
+
+@Service
+public class StudentService {
+
+    private final StudentRepository studentRepository;
+
+    public StudentService(StudentRepository studentRepository) {
+        this.studentRepository = studentRepository;
+    }
+
+
+    public List<Student> getAllStudents(){
+        return studentRepository.findAll();
+    }
+
+    public ResponseEntity<Student> findStudentById(@PathVariable(value = "id") int id){
+        Optional<Student> student = studentRepository.findById(id);
+
+        if(student.isPresent()){
+            return ResponseEntity.ok().body(student.get());
+        }
+        else{
+            return ResponseEntity.notFound().build();
+        }
+    }
+
+    public Student createStudent(@Validated @RequestBody Student student) {
+        return studentRepository.save(student);
+    }
+
+    public Student updateStudent(int id, Student updatedStudent){
+        Student currentStudent = studentRepository.findById(id).orElse(null);
+        currentStudent.setName(updatedStudent.getName());
+        currentStudent.setRollNo(updatedStudent.getRollNo());
+        currentStudent.setAge(updatedStudent.getAge());
+
+        studentRepository.save(currentStudent);
+        return currentStudent;
+    }
+
+    public void deleteStudent(@PathVariable(value = "id") int id){
+        studentRepository.deleteById(id);
+    }
+
+}

src/main/resources/application.properties

+spring.jpa.hibernate.ddl-auto=none
+spring.jpa.defer-datasource-initialization=true
+spring.sql.init.mode=always
+spring.datasource.url=jdbc:mysql://localhost:3306/school
+spring.datasource.username=root
+spring.datasource.password=root1234
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+spring.jpa.show-sql: true
\ No newline at end of file

src/main/resources/data.sql

+--INSERT INTO STUDENT (NAME, ROLLNO, AGE) VALUES ('alex', 101, 23);
+--INSERT INTO STUDENT (NAME, ROLLNO, AGE) VALUES ('max', 102, 23);
+--INSERT INTO STUDENT (NAME, ROLLNO, AGE) VALUES ('jerry', 103, 23);
+--
+--INSERT INTO COURSE (COURSE_ID, NAME) VALUES (1, 'math');
+--INSERT INTO COURSE (COURSE_ID, NAME) VALUES (2, 'english');
+--INSERT INTO COURSE (COURSE_ID, NAME) VALUES (3, 'art');
+
+DELETE FROM STUDENT WHERE STUDENT_ID = 3;
\ No newline at end of file

src/main/resources/schema.sql

+--CREATE TABLE STUDENT(
+--  STUDENT_ID INT NOT NULL AUTO_INCREMENT,
+--  NAME VARCHAR(16) NOT NULL,
+--  ROLLNO INT NOT NULL UNIQUE,
+--  AGE INT NOT NULL,
+--  PRIMARY KEY (STUDENT_ID)
+--);
+--
+--CREATE TABLE COURSE(
+--  COURSE_ID INT PRIMARY KEY,
+--  NAME VARCHAR(64)
+--);
+SELECT * FROM STUDENT
\ No newline at end of file

src/main/resources/templates/courses.html

+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <title>Course List</title>
+</head>
+<body>
+<table border='1' style='border-collapse:collapse'>
+    <tr>
+        <th>Course_ID</th>
+        <th>Name</th>
+    </tr>
+    <tr th:each="courses:${courses}">
+        <td th:text="${courses.id}">ID</td>
+        <td th:text="${courses.name}">Name</td>
+    </tr>
+</table>
+</body>
+</html>
\ No newline at end of file

src/main/resources/templates/students.html

+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <title>Student List</title>
+</head>
+<body>
+<table border='1' style='border-collapse:collapse'>
+    <tr>
+        <th>Student_ID</th>
+        <th>Name</th>
+        <th>RollNo</th>
+        <th>Age</th>
+    </tr>
+    <tr th:each="students:${students}">
+        <td th:text="${students.id}">ID</td>
+        <td th:text="${students.name}">Name</td>
+        <td th:text="${students.rollNo}">RollNo</td>
+        <td th:text="${students.age}">Age</td>
+    </tr>
+</table>
+</body>
+</html>
\ No newline at end of file

src/test/java/com/example/demo/StudentManagementApplicationTests.java

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