正文
java 对象的上转型对象(父类)
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Example5_10.java
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=new People(); //monkey是People对象的上转型对象
monkey.crySpeak("I love this game");
People people=(People)monkey; //把上转型对象强制转化为子类的对象
people.computer(10,10);
}
}
