摘要： abstract class Student{abstract void speak();}class Teacher{void look(Student stu){stu.speak();}}public class Example5_16{public static void main(String arg[]){Teacher zhang=new Teacher();zhang.look(new Student(){void speak(){System.out.println("这是匿名类中的方法");}});}}interface Show{public void 阅读全文

摘要： interface ShowMessage{void showTradeMark();}class TV implements ShowMessage{public void showTradeMark(){System.out.println("我是电视机");}}class PC implements ShowMessage{public void showTradeMark(){System.out.println("我是电脑");}}public class Example5_12{public static void main(String a 阅读全文

摘要： interface Computable{final int MAX=100;int f(int x);public abstract int g(int x,int y);}class A implements Computable{public int f(int x){return x*x;}public int g(int x,int y){return x+y;}}class B implements Computable{public int f(int x){return x*x*x;}public int g(int x,int y){return x*y;}}public c 阅读全文