package df;
public class Fu {
public void show() {
System.out.println("show方法被调用");
}
}
package df;
public class Zi extends Fu {
public void method(){
System.out.println("method方法被调用");
}
}
package df;
public class Demo {
public static void main(String[] args) {
Fu f=new Fu();
f.show();
Zi z=new Zi();
z.method() ;
z.show();
}
}