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() );
    }

}