Pattern selector

Most relevant patterns first. Most helpful ones displayed. Click here to show all.

  1. CollectionsTest.main() has thrown a NullPointerException
    Unsorted
    0
    0
    0
  2. TreeSet.add() has thrown a NullPointerException
    Java Runtime
    3
    8
    8

Your stack trace compared to the selected pattern

Jump to solutionsExpand frames
java.lang.NullPointerException
1 matching frame hidden
    at java.util.TreeSet.add(TreeSet.java:238)
    at CollectionsTest.main(CollectionsTest.java:232)

External results for this pattern (2)

  1. Nathan Doevia Coderanch2 years ago
    No message found for this stack trace.
    Show stack trace
  2. Nathan Doevia Coderanch2 years ago
    No message found for this stack trace.
    Show stack trace