模板设计

abstract classPerson{

   privateString name;

   private int age;

   publicPerson(String name,int age){

      this.name = name;

      this.age = age;

   }

   publicString getName(){return name;}

   public intgetAge(){return age;}

   public abstract voidsay();

}

class Student extendsPerson{

   private float score;

   public Student(String name,int age,float score){

      super(name,age);

      this.score = score;

   }

   public voidsay(){

      System.out.println("学生姓名:"+super.getName()+

            "\t年龄"+super.getAge()+"\t分数"+score);

      }

}

class Worker extendsPerson{

   private float salary;

   publicWorker(String name,int age,float salary){

      super(name, age);

      this.salary = salary;

   }

   public voidsay(){

      System.out.println("工人姓名:"+super.getName()+

            "\t年龄"+super.getAge()+"\t工资"+salary);

   }

}

public class Demo{

   public static voidmain(String args[]){

      Personper1 = new Student ("Liuwei",22,98);

      Personper2 = new Worker("Lixinghua",35,5000);

      per1.say();

      per2.say();