java.lang.NullPointerException

Coderanch | Mack Wilmot | 4 years ago
  1. 0

    use user's input in JTextField in a class as a label for JLabel, how to do that?

    Coderanch | 4 years ago | Tawi Oei
    java.lang.NullPointerException
  2. 0

    use user's input in JTextField in a class as a label for JLabel, how to do that?

    Coderanch | 4 years ago | Mack Wilmot
    java.lang.NullPointerException
  3. 0

    Please help with NullPointerException

    Coderanch | 4 years ago | Tawi Oei
    java.lang.NullPointerException
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  5. 0

    Please help with NullPointerException

    Coderanch | 4 years ago | Jeff Verdegan
    java.lang.NullPointerException
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    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 programtesisbaru.FrameBaru.<init>()
    2. programtesisbaru
      ProgramTesisBaru$1.actionPerformed
      1. programtesisbaru.FrameBaru.<init>(ProgramTesisBaru.java:636)
      2. programtesisbaru.ProgramTesisBaru$1.kontinu(ProgramTesisBaru.java:123)
      3. programtesisbaru.ProgramTesisBaru$1.actionPerformed(ProgramTesisBaru.java:120)
      3 frames
    3. Java RT
      DefaultButtonModel.setPressed
      1. javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
      2. javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
      4. javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
      4 frames