java.lang.NullPointerException

Coderanch | Doug Wolfinger | 1 decade ago
  1. 0

    need help with compareTo()

    Coderanch | 1 decade ago | Doug Wolfinger
    java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at java.lang.String.compareTo()
    2. Java RT
      String.compareTo
      1. java.lang.String.compareTo(String.java:789)
      2. java.lang.String.compareTo(String.java:825)
      2 frames
    3. Unknown
      ListPop.main
      1. SortedList.sortedAdd(SortedList.java:41)
      2. ListPop.main(ListPop.java:17)
      2 frames