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12c 11.13

this print png student extends mage 技術 年齡 new

技術分享

package sy;

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 sy;

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-->我的姓名是"+super.getName()+",年齡是 "+super.getAge()+"歲, "+"分數是"+this
.score+"分。"; } public float getScore() { return score; } public void setScore(float score) { this.score = score; } }
package sy;

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 -->我的姓名是"+super.getName()+",年齡是 "+super.getAge()+"歲 ,"+"工資是"+this.salary+"元。";
    }
    public float getSalary() {
        return salary;
    }
    public void setSalary(float salary) {
        this.salary = salary;
    }
}
package sy;

public class SandW {


    public static void main(String[] args) {
        Person student=new Student("旺財",23,90.5f);
        Person worker=new Worker("小強",45,18125.5f);
        print(student.speak());
        print(worker.speak());
    }
    private static void print(String speak) {
        System.out.println(speak);
    }
}

12c 11.13