package ty;abstract class A { public abstract void fun(); };package ty;class B extends A { public void fun() { System.out.println("wha ...
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(); }}
原标题:11c 11.13
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