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Initial programs
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‎JavaPrograms/.classpath‎

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>

‎JavaPrograms/.gitignore‎

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/bin/

‎JavaPrograms/.project‎

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>JavaPrograms</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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</projectDescription>

‎JavaPrograms/.settings/org.eclipse.jdt.core.prefs‎

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

‎JavaPrograms/src/DupElement.java‎

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public class DupElement {
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public static void main(String[] args) {
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int [] arr = new int [] {1, 2, 3, 4, 2, 7, 8, 8, 3};
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System.out.println("Duplicate elements in given array: ");
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//Searches for duplicate element
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for(int i = 0; i < arr.length; i++) {
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for(int j = i + 1; j < arr.length; j++) {
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if(arr[i] == arr[j])
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System.out.println(arr[j]);
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}
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}
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}
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}

‎JavaPrograms/src/Factorial.java‎

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import java.util.Scanner;
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class Factorial
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{
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public static void main(String args[])
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{
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int n, c, fact = 1;
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System.out.println("Enter an integer to calculate it's factorial");
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Scanner in = new Scanner(System.in);
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n = in.nextInt();
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if (n < 0)
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System.out.println("Number should be non-negative.");
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else
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{
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for (c = 1; c <= n; c++)
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fact = fact*c;
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System.out.println("Factorial of "+n+" is = "+fact);
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}
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}
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}

‎JavaPrograms/src/MaxNoArr.java‎

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public class MaxNoArr {
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public static void main(String[] args) {
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int [] arr = new int [] {25, 11, 7, 75, 56};
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//Initialize max with first element of array.
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int max = arr[0];
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//Loop through the array
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for (int i = 0; i < arr.length; i++) {
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//Compare elements of array with max
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if(arr[i] > max)
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max = arr[i];
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}
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System.out.println("Largest element present in given array: " + max);
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}
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}

‎JavaPrograms/src/Palindrome.java‎

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public class Palindrome {
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public static void main(String[] args) {
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int num = 157, reversedInteger = 0, remainder, originalInteger;
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originalInteger = num;
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// reversed integer is stored in variable
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while( num != 0 )
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{
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remainder = num % 10;
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reversedInteger = reversedInteger * 10 + remainder;
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num /= 10;
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}
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// palindrome if orignalInteger and reversedInteger are equal
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if (originalInteger == reversedInteger)
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System.out.println(originalInteger + " is a palindrome.");
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else
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System.out.println(originalInteger + " is not a palindrome.");
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}
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}

‎JavaPrograms/src/PrimeNo.java‎

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import java.util.Scanner;
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class PrimeNo
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{
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public static void main(String args[])
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{
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int n;
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System.out.println("Enter an integer to check if its prime");
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Scanner in = new Scanner(System.in);
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n = in.nextInt();
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for(int a=1;a<n/2;a++)
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{
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if(n%a==0)
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{
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break;
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}
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}
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}
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}

‎JavaPrograms/src/reverseArray.java‎

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public class reverseArray {
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public static void main(String[] args) {
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//Initialize array
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int [] arr = new int [] {1, 2, 3, 4, 5};
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System.out.println("Original array: ");
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for (int i = 0; i < arr.length; i++) {
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System.out.print(arr[i] + " ");
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}
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System.out.println();
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System.out.println("Array in reverse order: ");
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//Loop through the array in reverse order
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for (int i = arr.length-1; i >= 0; i--) {
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System.out.print(arr[i] + " ");
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}
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}
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}

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