面试题61（关于继承多态的理解）

package Wangyi;
class Base{
    public void method() {
        System.out.println("Base");
    } 
}
class Son extends Base{
    public void method() {
        System.out.println("Son");
    }
    public void methodB() {
        System.out.println("SonB");
    }
}
public class Test01{
    public static void main(String[] args) {
        Base base = new Son();
        base.method();
        base.methodB();
    }
}