public static void main (String [] args){
int arr[]={11,23,43,21,56,6,-1};
for(int i=0;i<arr.length-1;i++){
for(int j=0;j<arr.length-i-1){
if(arr[j] < arr[j+1]){
int t=arr[j];
arr[j]=arr[j+1];
arr[j+1]=t;
}
}
}
for(int a=0;a<arr.length;a++){
System.out.print(arr[a]+",");
}
}