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int temp;
int [] arr=new int[];
for(int i=0;i<arr.length;i++)
{
    for(int j=0;j<arr.length-i-1;j++)
    {
         if(arr[j]<arr[j+1])
          {
               temp=arr[j];
               arr[j]=arr[j+1];
               arr[j+1]=temp;
         }
    }
}
 


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