我想为 BlackJack 游戏初始化一组 Player 对象。我已经阅读了很多关于初始化原始对象(如整数数组或字符串数组)的各种方法,但我无法将这个概念理解为我在这里尝试做的事情(见下文)。我想返回一组初始化的 Player 对象。要创建的玩家对象的数量是我提示用户的整数。我在想构造函数可以接受一个整数值并在初始化 Player 对象的一些成员变量时相应地命名播放器。我想我很接近但仍然很困惑。
static class Player
{
private String Name;
private int handValue;
private boolean BlackJack;
private TheCard[] Hand;
public Player(int i)
{
if (i == 0)
{
this.Name = "Dealer";
}
else
{
this.Name = "Player_" + String.valueOf(i);
}
this.handValue = 0;
this.BlackJack = false;
this.Hand = new TheCard[2];
}
}
private static Player[] InitializePlayers(int PlayerCount)
{ //The line below never completes after applying the suggested change
Player[PlayerCount] thePlayers;
for(int i = 0; i < PlayerCount + 1; i++)
{
thePlayers[i] = new Player(i);
}
return thePlayers;
}
编辑 - 更新: 这是我理解您的建议后更改后得到的结果:
Thread [main] (Suspended)
ClassNotFoundException(Throwable).<init>(String, Throwable) line: 217
ClassNotFoundException(Exception).<init>(String, Throwable) line: not available
ClassNotFoundException.<init>(String) line: not available
URLClassLoader$1.run() line: not available
AccessController.doPrivileged(PrivilegedExceptionAction<T>, AccessControlContext) line: not available [native method]
Launcher$ExtClassLoader(URLClassLoader).findClass(String) line: not available
Launcher$ExtClassLoader.findClass(String) line: not available
Launcher$ExtClassLoader(ClassLoader).loadClass(String, boolean) line: not available
Launcher$AppClassLoader(ClassLoader).loadClass(String, boolean) line: not available
Launcher$AppClassLoader.loadClass(String, boolean) line: not available
Launcher$AppClassLoader(ClassLoader).loadClass(String) line: not available
BlackJackCardGame.InitializePlayers(int) line: 30
BlackJackCardGame.main(String[]) line: 249
最佳答案
几乎没问题。只要有:
Player[] thePlayers = new Player[playerCount + 1];
让循环成为:
for(int i = 0; i < thePlayers.length; i++)
请注意,java 约定规定方法和变量的名称应以小写开头。
更新:将您的方法放在类主体中。
关于java - 如何在 Java 中初始化对象数组,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/5889034/