继承课后作业

课后作业代码

Main.java

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package ex3;

import javafx.geometry.HPos;

public class Main {
    static int count=1;
    static int Mcount=1;
    static int Wcount=1;
    static int Icount=1;
    static int Fcount=1;
    private static void checkCharacter(Character c) {
        if (c instanceof Warrior){
            System.out.println("这是一个战士");
        }else if (c instanceof Mage){
            System.out.println("这是一个法师");
        } else if (c instanceof IceMage) {
            System.out.println("这是一个法师");
        }else if (c instanceof FireMage){
            System.out.println("这是一个法师");
        } else {
            System.out.println("这是一个普通角色");
        }
    }

    public static void main(String[] args) {
        System.out.println("*****************************");
        Character[] characters = new Character[5];
        characters[0] = new Character("aa", 100);
        characters[1] = new Warrior("bb", 100);
        characters[2] = new Mage("cc", 100);
        characters[3] = new IceMage("dd", 100);
        characters[4] = new FireMage("ee", 100);
        System.out.println("*****************************");
        System.out.println(characters[3]);
        System.out.println("*****************************");
        for(Character c : characters) {
            checkCharacter(c);
        }
    }
}

Character.java

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package ex3;

public class Character {
    String name;
    int HP;
    public Character(String name, int HP) {
        this.name = name;
        this.HP = HP;
        System.out.println("Character构造器第"+Main.count+"次被调用");
        Main.count++;
    }
    public String toString() {
        return "我叫" + name + '，'+
                ", HP=" + HP
                ;
    }
}

Warrior.java

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package ex3;

public class Warrior extends Character{
    public Warrior(String name, int HP) {
        super(name, HP);
        System.out.println("Warrior构造器第"+Main.Wcount+"次被调用");
        Main.Wcount++;
    }
    public String toString() {
        return "我叫" + name + '，'+
                ", HP=" + HP
                ;
    }
}

Mage.java

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package ex3;

public class Mage extends Character{
    public Mage(String name, int HP) {
        super(name, HP);
        System.out.println("Mage构造器第"+Main.Mcount+"次被调用");
        Main.Mcount++;
    }
    public String toString() {
        return "我叫" + name + '，'+
                ", HP=" + HP
                ;
    }
}

FireMage.java

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package ex3;

public class FireMage extends Mage{
    public FireMage(String name, int HP) {
        super(name, HP);
        System.out.println("FirMage构造器第"+Main.Fcount+"次被调用");
        Main.Fcount++;
    }
    public String toString() {
        return "我叫" + name + '，'+
                ", HP=" + HP
                ;
    }
}

IceMage.java

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package ex3;

public class IceMage extends Mage {
    public IceMage(String name, int HP) {
        super(name, HP);
        System.out.println("IceMage构造器第"+Main.Icount+"次被调用");
        Main.Icount++;
    }

    @Override
    public String toString() {
        return "我叫" + name + '，'+
                ", HP=" + HP
                ;
    }
}

运行结果：

IceMage构造器第1次被调用
Character构造器第5次被调用
Mage构造器第3次被调用
FirMage构造器第1次被调用

---

我叫dd，, HP=100

---

这是一个普通角色
这是一个战士
这是一个法师
这是一个法师
这是一个法师

Process finished with exit code 0``