一对一关系，对象简单实现

ゞ浴缸里的玫瑰 2023-07-23 05:53 1阅读 0赞

## 一对一关系，对象简单实现 ##

package no1;
    
    public class test6 {
        
    	public static void main(String[] args) {
        
    		Hero hero = new Hero("刘备",300);
    		Weapon weapon = new Weapon("双股剑",3);
    		
    		//把两个对象关联起来
    		hero.setWeapon(weapon);
    		weapon.setHero(hero);
    		
    		//通过英雄来获取他的信息
    		String name = hero.getName();
    		int age = hero.getAge();
    		Weapon w = hero.getWeapon();
    		System.out.println("我是"+name+",我"+age+"岁，我的武器是:"+w.getName()+",排行"+w.getGrade()+"名！来战吧！");
    	}
    }
    //英雄类
    class Hero{
        
    	private String name;
    	private int age;
    	private Weapon weapon;  //一对一关系
    	public void setWeapon(Weapon weapon) {
        
    		this.weapon = weapon;
    	}
    	public Weapon getWeapon() {
        
    		return weapon;
    	}
    	public Hero(){
        
    		
    	}
    	public Hero(String name,int age) {
        
    		this.name = name ;
    		this.age = age;
    	}
    	public void setName(String name) {
        
    		this.name = name;
    	}
    	public String getName(){
        
    		return name;
    	}
    	public void setAge(int age) {
        
    		this.age = age;
    	}
    	public int getAge() {
        
    		return age;
    	}
    }
    //兵器类
    class Weapon{
        
    	private String name;
    	private int grade;
    	private Hero hero;
    	public void setHero(Hero hero) {
        
    		this.hero = hero;
    	}
    	public Hero getHero() {
        
    		return hero;
    	}
    	public Weapon() {
        
    		
    	}
    	public Weapon(String name, int grade) {
        
    		this.name = name;
    		this.grade = grade;
    	}
    	public void setName(String name) {
        
    		this.name = name;
    	}
    	public String getName() {
        
    		return name;
    	}
    	public void setGrade(int grade) {
        
    		this.grade = grade;
    	}
    	public int getGrade() {
        
    		return grade;
    	}
    }

运行结果：  
![在这里插入图片描述][20200407113836429.png]

[20200407113836429.png]: /images/20230528/27a40c2dbb424b939200b1c01006249f.png