java.lang.NullPointerException

Stack Overflow | J.DOE | 5 months ago
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  1. 0

    Build a file tree with a findChild method

    Stack Overflow | 5 months ago | J.DOE
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at part2.FileNode.addChild()
    2. part2
      FileNode.main
      1. part2.FileNode.addChild(FileNode.java:126)
      2. part2.FileNode.main(FileNode.java:152)
      2 frames