unary

public class Latihan3 {

    public static <T> void swap(T a[], int i, int j) {
        if (i < a.length & j < a.length) {
            T x  = a[i];
            a[i] = a[j];
            a[j] = x;
        }
    }

    public static <T> void print(T x[]) {
        for (T y : x) {
            System.out.println(y.toString());
        }
    }

    public static void main(String[] args) {
        Integer[] i = {1, 2, 3, 4, 5};
        System.out.println("Sebelum\n");
        print(i);

        System.out.println();
        swap(i, 0, 2);
        System.out.println("Sesudah\n");
        print(i);

    }
}