package Z;
public abstract class Person {
private String name;
private int age;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public Person(String name, int age) {
this.name = name;
this.age = age;
}
public Person() {
super();
}
@Override
public String toString() {
return "Person [name=" + name + ", age=" + age + "]";
}
public abstract String speak();
}
package z;
public class Student extends Person {
private float score;
public Student(){
}
public Student(String name,int age,float score) {
// TODO 自动生成的构造函数存根
super(name,age);
this.score=score;
//this.setScore(score);
}
@Override
public String speak() {
// TODO 自动生成的方法存根
return "我是"+super.getName()+", 我"+super.getAge()+"岁了,"+"我的成绩是"+this.score;
}
public float getScore() {
return score;
}
public void setScore(float score) {
this.score = score;
}
}
package z;
public class Worker extends Person {
private float rewards;
public Worker(String name, int age, float rewards) {
// TODO 自动生成的构造函数存根
super(name, age);
this.rewards=rewards;
}
@Override
public String speak() {
// TODO 自动生成的方法存根
return "我是"+super.getName()+", 我"+super.getAge()+"岁了,"+"我的工资是"+this.rewards;
}
public float getRewards() {
return rewards;
}
public void setRewards(float rewards) {
this.rewards = rewards;
}
}
package z;
public class DemoWoSt {
public static void main(String[] args) {
// TODO 自动生成的方法存根
Person student =new Student("张三",18,59.0f);
Person worker =new Worker("李四",30,3600.8f);
print(student.speak());
print(worker.speak());
}
private static void print(String speak) {
System.out.println(speak);
}
}
![](https://images2017.cnblogs.com/blog/1236579/201712/1236579-20171218135736990-1421814217.jpg)