java.lang.NullPointerException

Coderanch | Matthean Brown | 1 year ago
tip
Your exception is missing from the Samebug knowledge base.
Here are the best solutions we found on the Internet.
Click on the to mark the helpful solution and get rewards for you help.
  1. 0

    Initializing a class with no variables

    Coderanch | 1 year ago | Matthean Brown
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at brownm23.ContactBook.save()
    2. brownm23
      ContactApp.main
      1. brownm23.ContactBook.save(ContactBook.java:40)
      2. brownm23.ContactApp.main(ContactApp.java:97)
      2 frames