query: What does null pointer exception mean in error messages?
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 64332
negative_passages.text: avoiding null reference exceptions
negative_passages.docid: 35129
negative_passages.text: Why does String.valueOf(null) throw a NullPointerException?
negative_passages.docid: 134010
negative_passages.text: Can Visual Studio tell me which reference threw a NullReferenceException?
negative_passages.docid: 88920
negative_passages.text: Is using NULL references OK?
negative_passages.docid: 129333
negative_passages.text: What does IndexOutofRangeException mean?
negative_passages.docid: 46857
negative_passages.text: Compiler warning: null reference exception
negative_passages.docid: 32059
negative_passages.text: What is \null and when do we need to use it?
negative_passages.docid: 65694
negative_passages.text: What is the difference between NULL, '\0' and 0?
negative_passages.docid: 114349
negative_passages.text: What is a null-terminated string?
negative_passages.docid: 66316
negative_passages.text: Difference between using Throwable and Exception in a try catch
negative_passages.docid: 6255
negative_passages.text: Is it safe to delete a NULL pointer?
negative_passages.docid: 42373
negative_passages.text: Exception messages in English?
negative_passages.docid: 54143
negative_passages.text: Why is the default value of the string type null instead of an empty string?
negative_passages.docid: 110077
negative_passages.text: Is it good practice to NULL a pointer after deleting it?
negative_passages.docid: 38780
negative_passages.text: Checking for null before ToString()
negative_passages.docid: 64200
negative_passages.text: Can Java's NullPointerException be changed to report on which variable was null?