java.lang.NullPointerException

Stack Overflow | Koudela | 4 months ago
  1. 0

    How to enforce a constructor to use the classes own methods in java

    Stack Overflow | 4 months ago | Koudela
    java.lang.NullPointerException
  2. 0
    Assign onCickListener to imageView in ExpandableListView inside getChildView.
  3. 0
    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.
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  5. 0

    Android: Saving Map State in Google map

    Stack Overflow | 1 year 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 testingJava.SubClass.set()
    2. testingJava
      MainClass.main
      1. testingJava.SubClass.set(SubClass.java:19)
      2. testingJava.SuperClass.<init>(SuperClass.java:7)
      3. testingJava.SubClass.<init>(SubClass.java:10)
      4. testingJava.MainClass.main(MainClass.java:9)
      4 frames