Bubble Sort program in Java

class BubbleSorting{
public static void main(String arg[]){
int a[]={2,33,54,12,0,46,34,22,4,4,4,4};
System.out.println("\n\nInput values:");
for(int i=0;i<a.length;i++){
System.out.print(" "+a[i]);
}
for (int i = a.length; --i>=0; ){
for (int j = 0; j<i; j++){
if (a[j] > a[j+1])
{
int T = a[j];
a[j] = a[j+1];
a[j+1] = T;
 }
}  
        }
System.out.println("\n\n\nSorted values:");
for(int i=0;i<a.length;i++)
{
System.out.print(" "+a[i]);
   }
}
}