java,接口实例

不念不忘少年蓝@ 2022-06-17 06:24 217阅读 0赞

/**
     * Created by liuyazhou on 2017/4/10.
     */
    public interface Sports {
    
        //private Integer a = 0;//错误
        public Integer a = 0;//正确
        public static Integer b = 0;//正确
        public static final Integer SPORTS = 10;//正确
    
        public void sportsFun1(String name);
    
        public void sportsFun2(String name);
    }

/**
     * Created by liuyazhou on 2017/4/10.
     */
    public interface FootBall  extends Sports{
    
        public void footBallFun1(String name);
        public void footBallFun2(String name);
        public void footBallFun3(String name);
    
    }

/**
     * Created by liuyazhou on 2017/4/10.
     */
    public class Kaka implements FootBall {
        //要实现5个方法
    
        @Override
        public void footBallFun1(String name) {
            System.out.println("footBallFun1");
        }
    
        @Override
        public void footBallFun2(String name) {
            System.out.println("footBallFun2");
        }
    
        @Override
        public void footBallFun3(String name) {
            System.out.println("footBallFun3");
        }
    
        @Override
        public void sportsFun1(String name) {
            System.out.println("sportsFun1");
        }
    
        @Override
        public void sportsFun2(String name) {
            System.out.println("sportsFun2");
        }
    }

public class Main {
        public static void main(String[] args) {
            Kaka kaka = new Kaka();
            kaka.footBallFun1("kaka");
            kaka.footBallFun2("kaka");
            kaka.footBallFun3("kaka");
            kaka.sportsFun1("kaka");
            kaka.sportsFun2("kaka");
           System.out.println(Sports.SPORTS);
        }
    }

footBallFun1
    footBallFun2
    footBallFun3
    sportsFun1
    sportsFun2
    10