Method pairSum

Java/Array/PairSum.java:52–64

(int[] arr, int x)

public class PairSum {

    public static int pairSum(int[] arr, int x) {
        int count = 0;
        for (int i = 0; i < arr.length; i++) {
            for (int j = i + 1; j < arr.length; j++) {
                int sum;
                sum = arr[i] + arr[j];
                if (sum == x) {
                    count += 1;
                }
            }
        }
        return count;
    }

    public static int[] takingInput() {
        Scanner sc = new Scanner(System.in);