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11c 11.13

发布时间:2017-11-14 21:00:10
package ty;abstract class A { public abstract void fun(); };package ty;class B extends A { public void fun() { System.out.println("wha ...

11c   11.13

11c   11.13

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(); }}

11c   11.13

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(); }};

11c   11.13

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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