ex0710demo.java

用JAVA实现对动物声音的模拟

 class Ex0710Super {
public void method(String name)
{
System.out.println("SuperClass.method(String):"+name);
}
}
 class Ex0710Sub extends Ex0710Super {
public void method(String name){
System.out.println("SubClass.method(String):"+name);
}
}

public class Ex0710Demo extends Ex0710Super{
public static void main(String[] args){
Ex0710Super superObj=new Ex0710Super();
Ex0710Sub subObj=new Ex0710Sub();
Ex0710Super superRef=superObj;
superRef.method("Zhang3");
superRef=subObj;
superRef.method("Li4");
}
}