bubble sort in java

import java.util.Arrays;


public class bubblesort {

public static void main(String[] args)
{
int[] ar={2,1,4,5,3};
for(int i=0;i<ar.length;i++)
{
for(int j=0;j<ar.length-1;j++)
{
if(ar[j]>ar[j+1])
{
int tmp=ar[j];
ar[j]=ar[j+1];
ar[j+1]=tmp;


}


}
}

System.out.println(Arrays.toString(ar));


}

}