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BubbleSorting.java

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import java.util.Scanner;

class BubbleSorting {

public static void main(String args[])

{

Scanner scan = new Scanner(System.in);

// Taking the length of array as input from user

System.out.println("Enter the size of the array:");

int len = scan.nextInt();

// Creating array of the entered length

int arr[] = new int[len];

// Taking array contents as input from user

System.out.println("Enter the array elements:");

for (int i = 0; i <= arr.length-1; i++) {

System.out.println("Enter an element:");

arr[i] = scan.nextInt();

}

// Printing the array contents before sorting

System.out.println("Array contents before sorting:");

for(int i = 0; i <= arr.length-1; i++) {

System.out.print(arr[i] + " ");

}

// Sorting the array contents in ascending order using bubble sort

int help;

for (int i = 0; i <= arr.length-2; i++) {

for (int j = 0; j <= arr.length-2-i; j++) {

if(arr[j] > arr[j+1]) {

help = arr[j];

arr[j] = arr[j+1];

arr[j+1] = help;

}

}

}

// Printing the sorted array contents

System.out.println();

System.out.println("Sorted array contents are:");

for(int i = 0; i <= arr.length-1; i++) {

System.out.print(arr[i] + " ");

}

}

}