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  • 接口实践;接口与抽象类

    1.接口声明:

    package JavaInterfaceStudy;

    /**

    *接口实践

    * @author scown

    * @param <T>

    */

    public interface UseMouth <T>{

        void eat(T parm);

        void speak(T parm);

    }

    2.接口实现:


    package javaClassStudy;

    import JavaInterfaceStudy.UseMouth;

    /**

    *

    * @author Administrator

    */

    public class Student extends Person implements UseMouth <Student>  {

        public Student(String name, int age) {

            super(name, age);

        }

        @Override

        public String getDescription() {

            System.out.println("Name is:"+this.getName());

            return "Name is:" + this.getName();

        }

        /**

         *

         */

        @Override

        public void live() {

            System.out.println("I live in a big house!"+this.getName());

          }

        @Override

        public void eat(Student parm) {

            System.out.println(this.getName()+"eat songthing!");

        }

        //实现speak方法,当前这个学生讲给另一个学生

        @Override

        public void speak(Student parm) {

            Student otherStudent = parm;

            System.out.println(this.getName()+" speak to " + otherStudent.getName());

        }

    }

    3.接口应用:

    import javaClassStudy.Student;

    import javaClassStudy.Person;

    public class helloWorld {

        public static void main(String[] parm){

              //reflection 

              //实例一个学生对象

              Student studentScown = new Student("yuxg",12);

              Student StudentOther = new Student("张三",12);

              studentScown.speak(StudentOther);

        }

    }

    4.接口与抽象类:

    a403dfaf-9ba6-4748-bdea-3bb783298a8e

    e747c143-30f1-4690-9f30-25225e788f5d

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  • 原文地址:https://www.cnblogs.com/scown/p/5375448.html
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