query: NullPointerException - why?
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 6255
negative_passages.text: Is it safe to delete a NULL pointer?
negative_passages.docid: 146476
negative_passages.text: Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
negative_passages.docid: 40818
negative_passages.text: What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
negative_passages.docid: 73285
negative_passages.text: Null Pointer Exception in XMl Parsing
negative_passages.docid: 124773
negative_passages.text: NullPointerException when calling service in onResume
negative_passages.docid: 64200
negative_passages.text: Can Java's NullPointerException be changed to report on which variable was null?
negative_passages.docid: 20892
negative_passages.text: C# nullable string error
negative_passages.docid: 11458
negative_passages.text: NullReferenceException in Unity
negative_passages.docid: 87728
negative_passages.text: ArgumentNullException or NullReferenceException from extension method?
negative_passages.docid: 98866
negative_passages.text: Null Pointer Exception on getGraphics()
negative_passages.docid: 68713
negative_passages.text: Why is it Valid to Concatenate Null Strings but not to Call "null.ToString()"?
negative_passages.docid: 87189
negative_passages.text: System.NullPointerException
negative_passages.docid: 134689
negative_passages.text: Setting an object to null vs Dispose()
negative_passages.docid: 56606
negative_passages.text: Why is main() in java void?
negative_passages.docid: 88920
negative_passages.text: Is using NULL references OK?
negative_passages.docid: 66284
negative_passages.text: NullPointerException when Creating an Array of objects