11.13 第十二次、

package GJS;

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 GJS;

public class Student extends Person{
    private float score;
    
    public Student(String name, int age, float score) {
        super(name, age);
        this.setScore(score);
    }
    @Override
    public String speak() {
        return "学生说：我叫"+super.getName()+" "+"今年"+super.getAge()+"岁 "+this.score+"分";
    }
    public float getScore() {
        return score;
    }
    public void setScore(float score) {
        this.score = score;
    }
}

package GJS;

public class Worker extends Person {
    private float salary;
    
    public Worker(String name, int age, float salary) {
        super(name, age);
        this.setSalary(salary);
    }
    @Override 
    public String speak() {
        return "工人说：我叫"+super.getName()+" "+"今年"+super.getAge()+"岁 "+this.salary+"元";
    }
    public float getSalary() {
        return salary;
    }
    public void setSalary(float salary) {
        this.salary = salary;
    }
}

package GJS;

public class DemoStudentWorker {

    public static void main(String[] args) {
        Person student=new Student("QQQ",21, 86f);
        Person worker=new Worker("WWW",32, 9400f);
        print(student.speak());
        print(worker.speak());
    }
    private static void print(String speak) {
        System.out.println(speak);
    }
}