JAVA小游戏的错误

来源:百度知道 编辑:UC知道 时间:2024/05/21 10:08:35
为什么有了这些错误还是可以运行?有界面出来,但是游戏里面的方向键好像用不了.
错误是:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at Youxi.keyTyped(Youxi.java:109)
at java.awt.Component.processKeyEvent(Component.java:5993)
at java.awt.Component.processEvent(Component.java:5815)
at java.awt.Container.processEvent(Container.java:2058)
at java.awt.Window.processEvent(Window.java:1787)
at java.awt.Component.dispatchEventImpl(DefaultKeyboardFocusManager.java:962)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:834)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:661)
at java.awt.Component.dispatchEventImpl(Component.java:4282)
at java.awt.Container.dispatchEventImpl(Container.java:2116)
at java.awt.Window.dispatchEventImpl(Window.java:2429)
at java.awt.Component.dispatchEvent(Component.java:4240)
at java.awt.EventQueue.dispatch

Null Pointer Exception

空的 引用 异常

没有原代码 找不到错误

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那是后来删改了某些文件引起的。你再下别的不就行了