java.lang.NullPointerException

Coderanch | Patrick de Kruijf | 6 years ago
  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
  3. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.dekruijf.calculator.Buttons$1.actionPerformed()
    2. com.dekruijf.calculator
      Buttons$1.actionPerformed
      1. com.dekruijf.calculator.Buttons$1.actionPerformed(Buttons.java:20)
      1 frame
    3. Java RT
      DefaultButtonModel.setPressed
      1. javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
      2. javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
      4. javax.swing.DefaultButtonModel.setPressed(Unknown Source)
      4 frames