練習12

package cn.ch.w;

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();
    }
    public String toString() {
        return "Person [name=" + name + ", age=" + age + "]";
    }
    public abstract String speak();
}

package cn.ch.w;
public class Student extends Person{
    private float score;
    
    public Student(String name, int age, float score) {
        super(name, age);
        this.setScore(score);
    }
    public String speak() {
        return "學生說-->我的姓名："+super.getName()+" "+super.getAge()+"歲 "+this.score+"分";
    }
    public float getScore() {
        return score;
    }
    public void setScore(float score) {
        this.score = score;
    }
}

package cn.ch.w;

public class Worker extends Person {
    private float salary;
    
    public Worker(String name, int age, float salary) {
        super(name,age);
        this.setSalary(salary);
    }
    public String speak() {
        return "工人說 -->我的姓名："+super.getName()+" "+super.getAge()+"歲 "+this.salary+"元";

    }
    public float getSalary() {
        return salary;
    }
    public void setSalary(float salary) {
        this.salary = salary;
    }
}

package cn.ch.w;

public class DemoStudentWorker {
    

        public static void main(String[] args) {
            Person student=new Student("他",3, 90.1f);
            Worker worker=new Worker("它",2, 25.5f);
            print(student.speak());
            print(worker.speak());
        }
        private static void print(String speak) {
            System.out.println(speak);
        }
    }

JAVA練習10