java.lang.NullPointerException

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  • Trouble with subclassing??
    via by Stephen Huey,
  • Trouble with subclassing??
    via by David Harkness,
    • java.lang.NullPointerException: at ListNode.InsertAfter(ListNode.java:12) at NameList.AddToFront(NameList.java:60) at NameList.Insert(NameList.java:40) at NameList.main(NameList.java:109) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source)
    No Bugmate found.