java.lang.NullPointerException

Coderanch | Patrick de Kruijf | 6 years ago
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  1. 0

    Trouble with buttonhandler - Exception in thread "AWT-EventQueue-0"

    Coderanch | 6 years ago | Patrick de Kruijf
    java.lang.NullPointerException
  2. 0

    Trouble with buttonhandler - Exception in thread "AWT-EventQueue-0"

    Coderanch | 6 years ago | Patrick de Kruijf
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.dekruijf.calculator.ButtonHandler.buttonPressed()
    2. com.dekruijf.calculator
      Buttons$1.actionPerformed
      1. com.dekruijf.calculator.ButtonHandler.buttonPressed(ButtonHandler.java:11)
      2. com.dekruijf.calculator.Buttons$1.actionPerformed(Buttons.java:19)
      2 frames