java向接口传参_Java接口实现传参

package com.gezhi.interfaces;

/**

* 新建一个dog类实现接口livingable(狗吃和上厕所都是与生俱来的不应该写成接口)

* @author square 凉

*

*/

public class Dog implements Livingable{

private String dogName;

private int dogAge;

public String getDogName() {

return dogName;

}

public void setDogName(String dogName) {

this.dogName = dogName;

}

public int getDogAge() {

return dogAge;

}

public void setDogAge(int dogAge) {

this.dogAge = dogAge;

}

public void eat() {

System.out.println(dogName + " 具有吃东西的能力");

}

public void wc() {

System.out.println(dogName +" 具有上厕所的能力");

}

}

package com.gezhi.interfaces;

/**

* 人类，也实现接口吃饭上厕所的能力(当然吃和上厕所是与生俱来的能力，不应该写成接口)

* @author square 凉

*

*/

public class People implements Livingable , ThinkAble{

private String peopleName;

private int peopleAge;

public String getPeopleName() {

return peopleName;

}

public void setPeopleName(String peopleName) {

this.peopleName = peopleName;

}

public int getPeopleAge() {

return peopleAge;

}

public void setPeopleAge(int peopleAge) {

this.peopleAge = peopleAge;

}

public void eat() {

System.out.println(peopleName + "  具有吃东西的能力");

}

public void wc() {

System.out.println(peopleName +" 具有上厕所的能力");

}

@Override

public void think() {

// TODO Auto-generated method stub

System.out.println(peopleName + "  具有思考的行为");

}

}

package com.gezhi.interfaces;

/**

* 建一个服务类服务living这种能力

* @author square 凉

*

*/

public class Service {

/**

* 服务其他生物的行为

*/

public void serviceOther(Livingable lb) {

lb.eat();

lb.wc();

}

/**

* 人具有思考的行为，这个方法主要传个人(这里传了一个接口的参数，人类来实现它，主要运用了多态的特性)

* @param think

*/

public void ThinkOthers(ThinkAble think) {

think.think();

}

}

package com.gezhi.interfaces;

/**

* 思考的能力

* @author square 凉

*

*/

public interface ThinkAble {

void think();

}

package com.gezhi.interfaces;

/**

* 函数主入口类

* @author square 凉

*

*/

public class MainEnter {

public static void main(String[] args) {

// TODO Auto-generated method stub

Service se = new Service();//实例化服务类一个对象

People p = new People();//实例化人一个对象

p.setPeopleName("如花");//设置人名

se.serviceOther(p);//调用服务类的serviceOthers这个方法(本来这个参数是接口livingable的，这里小转大，传个人这个实现了接口的对象)

Dog d = new Dog();//实例化一个狗类

d.setDogName("莽子");

se.serviceOther(d);

se.ThinkOthers(p);

}

}