package ty;
abstract class A {
public abstract void fun();
};
package ty;
class B extends A {
public void fun() {
System.out.println("what is your name?");
}
};
package ty;
public class AandB {
public static void main(String[] args) {
B b=new B();
b.fun();
}
}
package sy;
abstract class A {
private String name;
public A(String name) {
this.name=name;
}
public String getName() {
return this.name;
}
public abstract void fun();
};
package sy;
class B extends A{
public B(String name) {
super(name);
}
public void fun() {
System.out.println(super.getName());
}
};
package sy;
public class Adm {
public static void main(String args[]) {
B b = new B("大黄");
b.fun();
}
};
package sy;
public abstract class C {
private String name;
public C(String name) {
this.name=name;
}
public String getName() {
return this.name;
}
public abstract void fun();
}
package sy;
public class D extends C {
public D(String name) {
super(name);
}
public void fun() {
System.out.println(super.getName());
}
}
package sy;
public class CandD {
public static void main(String[] args) {
B b =new B("八戒");
b.fun();
}
}
