Time-Stamp

Time-Stamp/.settings/org.eclipse.jdt.core.prefs

+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=1.8

Time-Stamp/src/com/task1/StringValidity.java

+package com.task1;
+
+import java.util.Scanner;
+
+public class StringValidity {
+
+	public static void main(String[] args) {
+
+		Scanner sc = new Scanner(System.in);
+		System.out.print("Enter A Name .. ");
+		String name = sc.nextLine();
+		boolean isValid = true;
+		for (int i = 0; i < name.length(); i++) {
+
+			char ch = name.charAt(i);
+
+			if (ch >= 'a' && ch <= 'z' || ch >= 'A' && ch <= 'Z') {
+				continue;
+			}
+			isValid = false;
+		}
+
+		if (isValid) {
+			System.out.println("\nThe Name " + name + " is a Valid Name.");
+		} else {
+			System.out.println("\nThe Name " + name + " is a Invalid Name.");
+		}
+
+	}
+
+}

Time-Stamp/src/com/task3/CheckLeapYearOrNot.java

+package com.task3;
+
+import java.util.Scanner;
+
+public class CheckLeapYearOrNot {
+
+	public static void main(String[] args) {
+
+		Scanner sc = new Scanner(System.in);
+		System.out.print("Enter Year... ");
+		int year = sc.nextInt();
+
+		if ((year % 400 == 0) || (year % 4 == 0 && year % 100 != 0)) {
+			System.out.println("\n" + year + " is a Leap Year");
+		} else {
+			System.out.println("\n" + year + " is Not a leap year");
+		}
+
+		System.out.println("\n----- Check Leap Year Or Not  ----- ");
+
+	}
+
+}

Time-Stamp/src/com/task4/DateFormates.java

+package com.task4;
+
+import java.text.ParseException;
+
+import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.util.Calendar;
+import java.util.Date;
+
+public class DateFormates {
+
+	public static void main(String[] args) {
+
+		Calendar cal = Calendar.getInstance(); 
+		System.out.println("Current Date  : " + cal.getTime());
+
+		cal.add(Calendar.MONTH, 1);
+
+		System.out.println("After Add One Month in Current Date  : " + cal.getTime());
+
+		System.out.println("                  ----- First Task Done -----");
+
+		Calendar cale = Calendar.getInstance();
+		System.out.println("\nCurrent Date  : " + cale.getTime());
+		cale.add(Calendar.DATE, -15);
+		System.out.println("After Subsctract Fifteen Days From Current Date: " + (cale.get(Calendar.YEAR)) + " "
+				+ (cale.get(Calendar.MONTH) + 1) + " " + cale.get(Calendar.DATE) + "  " + cale.get(Calendar.HOUR) + ":"
+				+ cale.get(Calendar.MINUTE) + " " + (cale.get(Calendar.SECOND)));
+		System.out.println("                  ----- Second Task Done -----");
+
+	}
+
+}

Time-Stamp/src/task2/com/FindSecondsAndMilliSeconds.java

+package task2.com;
+
+public class FindSecondsAndMilliSeconds {
+
+	public static void main(String[] args) {
+		long seconds = System.currentTimeMillis() / 1000l;
+		long milli = System.currentTimeMillis();
+		System.out.println("\nSeconds since 1970: " + seconds + "\n");
+		System.out.println("\nMillisecondsSeconds since 1970: " + milli + "\n");
+	}
+
+}
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