Test201709221246

class A {
    public static int add(int a,int b){
        int sum = a+b;
        System.out.println("A.add = " + a+b);
        return sum;
    }
}
class B extends A {
    public static int add(int a, int b) {
        int sum = a + b;
        System.out.println("B.add = " + a + b);
        return sum;
    }
}
public class Test201709221246 {
    public static void main(String[] args) {
        A a = new A();
        A b = new B();
        a.add(2,4);
        b.add(3,5);
    }
}