//Beta 1.0 版本
1.实现了角色类的定义，分为Man与Monster。
2.实现了血量统计与报告。
3.增加了死亡后无法攻击与无法被攻击的判断，防止出现不死的BUG。

package com.company;

public class Main {

    public static void main(String[] args) {
        Man man = new Man();
        man.name = "Eric";
        man.weapon = "圣殿皇家巨剑";
        man.HP = 100;
        man.isalive=true;

        Monster monster=new Monster();
        monster.type="地狱犬";
        monster.HP = 40;
        monster.isalive=true;

        Monster monster1=new Monster();
        monster1.type="玉藻前";
        monster1.HP=100;
        monster1.isalive=true;


        int i;
        for(i=0;man.isalive;i++) {
            monster.kill(man);
            System.out.println();
            man.hit(monster);
            System.out.println();
            monster1.kill(man);
            System.out.println();
            man.hit(monster1);
            System.out.println();
        }
        }
    }

class Man{
    String name;
    String weapon;
    int HP;
    boolean isalive;

    public void hit(Monster monster){
        if(!monster.isalive) {
            return;
        }
        if(!isalive) {
            return;
        }
        System.out.println(name+":挥舞着"+weapon+"无情的制裁了"+monster.type);
        monster.injured();
    }

    public void injured(){
        HP-=20;
        System.out.println(name+":你敢打老子？");
        if(HP<=0){
            dead();
            return;
        }
        if(!isalive) {
            return;
        }
        show();
    }

    public void dead(){
        isalive=false;
        System.out.println("系统提示:"+name+"已经牺牲了");
    }

    public void show(){
        System.out.println("系统提示:"+name+"还剩下"+HP+"点生命值");
    }

}

class Monster{
    String type;
    int HP;
    boolean isalive=true;

    public void kill(Man man){
        if(!man.isalive) {
            return;
        }
        if(!isalive) {
            return;
        }
        System.out.println(type+":撕咬着"+man.name);
        man.injured();
    }

    public void injured(){
        HP-=20;
        System.out.println(type+":Aaaa~");
        if(HP<=0){
            dead();
            return;
        }
        if(!isalive) {
            return;
        }
        show();
    }

    public void dead(){
        isalive=false;
        System.out.println("系统提示:"+type+"已经被干掉了");
    }

    public void show(){
        System.out.println("系统提示:"+type+"还剩下"+HP+"点生命值");
    }

}