【发布时间】:2017-01-25 19:42:51
【问题描述】:
我正在尝试创建的程序是棋盘游戏的一部分:
1- 要求用户输入敌人的基础生命值(promptBaseHp())。
2- 程序生成一个乘数(2 或 3),然后将其乘以基础健康值。
3- 敌人的基础生命值必须是 5,7,9,11,13(数组字段表示这些值),这就是我遇到问题的地方,我需要检查用户输入是否符合允许的值(5, 7,9,11,13)。
有一些我无法弄清楚的错误,当我运行程序时,它会提示用户两次,即使输入了正确的值(5,7,9,11,13)。 谁能帮我正确理解这个程序的功能(输入一个值,检查值是否为 5,7,9,11,13 ,然后将其乘以 2 或 3)?
package game1;
import java.util.Scanner;
import java.util.Random;
public class Enemy {
private String [] armorTyper = { "Fire","Water","Nature","Steel","Scales","Flesh","Dark"};
private int [] hpValues = { 5, 7, 9, 11 ,13 };
private int enemyHP = 0 ;
Scanner scanner = new Scanner(System.in);
Random random = new Random();
public int getFinalHp (){
return enemyHP;
}
public int getMultiplier (){
int multiplier = random.nextInt(1) +2 ;
return multiplier;
}
public int promptBaseHp (){
System.out.println ("Enter base hp value (5 or 7 or 9 or 11 or 13): ");
int hpValue = scanner.nextInt();
System.out.println(" enemy base hp entered is :"+ hpValue);
return hpValue;
}
public void setBaseHp (){
boolean isAcc = comparing(promptBaseHp());
do{
if(isAcc == true){ enemyHP = getMultiplier() * promptBaseHp() ;
getFinalHp ();
}
else{ System.out.println(" must be 5/7/9/11/13 ! ");
promptBaseHp();
isAcc = comparing(promptBaseHp());
}
}while (isAcc == false);
}
public boolean comparing( int val) {
boolean isAcc = false;
for (int value : hpValues){
isAcc = (val == value);
if (isAcc == true){ return isAcc; }
else { System.out.println("invalid entery !");
isAcc = false;}
}
return isAcc;
}
}
package game1;
public class Exceutor {
public static void main ( String [] args){
Enemy enem = new Enemy();
enem.getMultiplier ();
System.out.println(" enemy hp multiplier is :"+ enem.getMultiplier());
enem.setBaseHp ();
enem.getFinalHp ();
System.out.println(" enemy final hp is : "+ enem.getFinalHp());
}
}
【问题讨论】:
标签: java loops logic user-input