class 类人猿 {
    void crySpeak(String s) {
	System.out.println(s);
    }
}
class People extends 类人猿 {
    void computer(int a,int b) {
	int c =a*b;
	System.out.println(c);
    }
    void crySpeak(String s) {
        System.out.println("***"+s+"***");
    }
}
public class Example5_10 {
    public static void main(String args[]) {
	类人猿 monkey;
	People geng=new People();
	monkey=geng;
	monkey.crySpeak("I love this game");
	People people=(People)monkey;
	people.computer(10,10);
    }
}