程序出现这个错误at java.awt.EventDispatchThread.pumpEventsForFilter
用java写了个俄罗斯方块, 等写完后在运行结果出现
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
然后图形就显示不出来了,请问哪位大神可以帮下忙的