query: Null pointer exception for Guessing game
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 27212
negative_passages.text: Variables might not have been initialized
negative_passages.docid: 23964
negative_passages.text: Why does Java have a "NullPointerException" when there are no pointers in Java?
negative_passages.docid: 38241
negative_passages.text: How do I check for nulls in an '==' operator overload without infinite recursion?
negative_passages.docid: 58054
negative_passages.text: When is it OK to catch NullPointerException?
negative_passages.docid: 69771
negative_passages.text: NullPointerException when setting attribute?
negative_passages.docid: 134010
negative_passages.text: Can Visual Studio tell me which reference threw a NullReferenceException?
negative_passages.docid: 32065
negative_passages.text: Attempt to de-reference a null object: Trigger
negative_passages.docid: 89755
negative_passages.text: Why is "throw null" not creating a compilation error in Java?
negative_passages.docid: 141129
negative_passages.text: InputStream returning NullPointerException (Java)
negative_passages.docid: 119573
negative_passages.text: NullPointerException in Java with no StackTrace
negative_passages.docid: 33103
negative_passages.text: How come invoking a (static) method on a null reference doesn't throw NullPointerException?
negative_passages.docid: 39781
negative_passages.text: Why does the is operator return false when given null?
negative_passages.docid: 87189
negative_passages.text: System.NullPointerException
negative_passages.docid: 42958
negative_passages.text: Method Overloading for null argument
negative_passages.docid: 5640
negative_passages.text: How to check a string against null in java?
negative_passages.docid: 115231
negative_passages.text: Deep null checking, is there a better way?