Counting repeated elements in an integer array

Question

I have an integer array crr_array and I want to count elements, which occur repeatedly. First, I read the size of the array and initialize it with numbers read

Answer 1

public class FindRepeatedNumbers 
{
 public static void main(String[] args) 
    {
     int num[]={1,3,2,4,1,2,4,6,7,5};
           Arrays.sort(num);

  for(int j=1;j