java.lang.NullPointerException

Coderanch | MR Chen | 9 years ago
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    NullPointerException error

    Coderanch | 9 years ago | MR Chen
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at mrchen.ButtonDrawPanel.<init>()
    2. mrchen
      rktest.main
      1. mrchen.ButtonDrawPanel.<init>(rktest.java:884)
      2. mrchen.rktest.<init>(rktest.java:21)
      3. mrchen.rktest.main(rktest.java:901)
      3 frames