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java.lang.NoClassDefFoundError: Timer	at bee2.paint(bee2.java:143)	at sun.awt.RepaintArea.paint(RepaintArea.java:177)	at sun.awt.windows.WComponentPeer.handleEvent(WComponentPeer.java:260)	at java.awt.Component.dispatchEventImpl(Component.java:3587)	at java.awt.Container.dispatchEventImpl(Container.java:1582)	at java.awt.Component.dispatchEvent(Component.java:3368)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:445)	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:191)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:144)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:130)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:98)