java抽象类实践

package javaClassStudy;

/**

 *

 * @author yuxg

 * 抽象类实践

 */

public abstract  class Person {

    private String name ;

    private int    age;

    public Person(String name, int age) {

        this.name = name;

        this.age = age;

    }

    public String getName() {

        return name;

    }

    public void setName(String name) {

        this.name = name;

    }

    public void setAge(int age) {

        this.age = age;

    }

    public int getAge() {

        return age;

    }

    public abstract String  getDescription();//描述

    public abstract void live();//live

}

package javaClassStudy;

/**

 *

 * @author Administrator

 */

public class Student extends Person  {

    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());

      }

}

/**

 *

 * @author Administrator

 */

import javaClassStudy.Student;

import javaClassStudy.Person;

public class helloWorld {

    public static void main(String[] parm){

          Person p = new Student("yuxg",12);

          p.live();

          System.out.println(p.getDescription() );

    }

}