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Type: Posts; User: ryanlu

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  1. Re: Exception in thread "main" java.lang.NullPointerException ! Need help ! Urgent ! Please !

    sorry , this is my first post .
    54 is : center.setLayout(new FlowLayout());
    124 is : new Main();
  2. Exception in thread "main" java.lang.NullPointerException ! Need help ! Urgent ! Please !

    I rewiewed my code try to figure out why it thrown an exception . But i failed . This is for my assignment . Please help .
    The exception is :
    Exception in thread "main"...
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