java.lang.NullPointerException

Oracle Community | 807587 | 1 decade ago
  1. 0

    the button ActionListener in a JDialog to close the JDialog error...HELP!

    Oracle Community | 1 decade ago | 807587
    java.lang.NullPointerException
  2. 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 testClass$2.actionPerformed()
    2. Unknown
      testClass$2.actionPerformed
      1. testClass$2.actionPerformed(testClass.java:32)
      1 frame
    3. Java RT
      DefaultButtonModel.fireActionPerformed
      1. javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1764)
      2. javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1817)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:419)
      3 frames