如何在 Java 中初始化对象数组
2022-08-31 12:31:08
我想为二十一点游戏初始化一个 Player 对象数组。我已经阅读了很多关于初始化原始对象的各种方法,如int数组或字符串数组,但我无法将这个概念带到我在这里尝试做的事情(见下文)。我想返回初始化的播放器对象的数组。要创建的播放器对象的数量是一个整数,我提示用户输入该整数。我认为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:以下是我在更改此内容后得到的内容,因为我理解了您的建议:
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