java.lang.NullPointerException

Stack Overflow | daipenger | 2 months ago
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    Coderanch | 7 years ago | abalfazl hossein
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at demonstration.Superclass.getAll()
    2. demonstration
      Main.main
      1. demonstration.Superclass.getAll(Superclass.java:17)
      2. demonstration.Main.main(Main.java:21)
      2 frames