问题描述
报错的提示如下
Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 20at org.liky.game.frame.FiveChessFrame.checkCount(FiveChessFrame.java:280)at org.liky.game.frame.FiveChessFrame.checkwin(FiveChessFrame.java:183)at org.liky.game.frame.FiveChessFrame.mousePressed(FiveChessFrame.java:141)at java.desktop/java.awt.Component.processMouseEvent(Component.java:6611)at java.desktop/java.awt.Component.processEvent(Component.java:6379)at java.desktop/java.awt.Container.processEvent(Container.java:2263)at java.desktop/java.awt.Window.processEvent(Window.java:2046)at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4990)at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321)at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2769)at java.desktop/java.awt.Component.dispatchEvent(Component.java:4822)at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:772)at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95)at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745)at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:743)at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742)at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
问题解答
回答1：数组越界了，看一下你的条件，访问的是不是数组内的数据
