Count Inversions

import java.util.* ;
import java.io.*;
public class Solution {
    public static long getInversions(long arr[], int n) {
        // Write your code here.
        long ans=0;
        for(int i=0; i<n; i++){
            for(int j=i+1;j<n;j++){
                if(arr[i] > arr[j]){
                    ans++;
                }
            }
        }
        return ans;
    }
}