这就是我一直得到的错误。"Exception in thread "Thread-3" java.util.ConcurrentModificationExceptionat java.util.ArrayList$Itr.next(ArrayList.java:754)
at group1.bt.Announce.run(Announ
这是个错误 输出: 线程"main“java.util.ConcurrentModificationException异常 at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:909)at MyFan.f3(MyFan.java:41)
at
建议我使用List<JLabel> list = new ArrayList<class>收集并在以后从JLabel中删除一些非特定的JLabel图像。}} Exception in thread "AWT-EventQueue-0"
java.util.ConcurrentModificationExceptionat java.util.ArrayList$Itr.checkForComo
names.indexOf(name)); }}Exception in thread "main" java.util.ConcurrentModificationExceptionat java.util.ArrayList$Itr.checkForComodification(Unknown Source)
at java.util.ArrayList$Itr.next(Unknow