java program for Bubble sort Example

import java.util.*;

public class BubbleSortingExample {
public static void main(String[] args) {
Date now = new Date();
System.out.println("Today is : " + now);
int arr[]={12,9,13,6,4,10};
int n=arr.length;
for(int i=0;i<n;i++)
{
System.out.println("index of j are :");
for(int j=0;j<n-i-1;j++)
{
if(arr[j]>arr[j+1])
{
int temp=arr[j];
arr[j]=arr[j+1];
arr[j+1]=temp;
}
System.out.print(j+" ");
}
System.out.println();
System.out.println("now view of array after "+i+" pass:");
for(int k=0;k<n;k++)
{
System.out.print(arr[k]+" ");
}
System.out.println();
}
System.out.println("\nNow Sorted array is: ");
for(int i=0;i<n;i++)
{
System.out.print(arr[i]+" ");
}
System.out.println();
}
}