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  • 接口:

    创建一个名称为Vehicle的接口,在接口中添加两个带有一个参数的方法start()和stop()。在两个名称分别为Bike和Bus的类中实现Vehicle接口。创建一个名称为interfaceDemo的类,在interfaceDemo的main()方法中创建Bike和Bus对象,并访问start()和stop()方法。

    Bike .java
    package MXDX22;
    
    public class Bike implements Vehicle {
    	public void start(int a){
    		System.out.println("自行车发动,速度:"+a);
    	}
    	public void stop(int b){
    		System.out.println("自行车停止");
    	}
    
    }
    

     Bus.java

    package MXDX22;
    
    public class Bus implements Vehicle {
    	public void start(int a){
    		System.out.println("公交车发动,速度:"+a);
    	}
    	public void stop(int b){
    		System.out.println("公交车停止");
    	}
    
    }
    

     interfaceDemo.java

    package MXDX22;
    public class interfaceDemo {
    	public static void main(String[] args) {
    		// TODO Auto-generated method stub
    		Bike bk=new Bike();
    		bk.start(15);
    		bk.stop(0);
    		Bus bs=new Bus();
    		bs.start(56);
    		bs.stop(0);
    	}
    
    }
    

     Vehicle.java

    package MXDX22;
    public interface Vehicle {
    	void start(int a);
    	void stop(int b);
    }
    
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  • 原文地址:https://www.cnblogs.com/soulsjie/p/7522930.html
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