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Type: Posts; User: mechnik

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  1. Re: problem completing beginners' gui tutorial

    problem solved by prepending
    sendButton = new JButton();
    before
    sendButton.addActionListener(this);
  2. solved: problem completing beginners' gui tutorial

    Hello,

    I am trying to complete an online gui programming tutorial at CS124, Fall 2009, Lab 11

    The code below compiles but produces these runtime errors:

    java.lang.NullPointerException
    at...
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