query: Static field and Object reference not set to an instance of an object
positive_passages.docid: 289
positive_passages.text: What is a NullReferenceException, and how do I fix it?
negative_passages.docid: 7935
negative_passages.text: CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
negative_passages.docid: 54392
negative_passages.text: How to call getClass() from a static method in Java?
negative_passages.docid: 9073
negative_passages.text: Cannot make a static reference to the non-static method
negative_passages.docid: 147548
negative_passages.text: How to handle a static final field initializer that throws checked exception
negative_passages.docid: 49
negative_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 126921
negative_passages.text: Nonstatic method cannot be reference from a Static context
negative_passages.docid: 20447
negative_passages.text: Reference static fields in JSP without using scriptlets
negative_passages.docid: 121471
negative_passages.text: Reference type still needs pass by ref?
negative_passages.docid: 128414
negative_passages.text: Why can't I initialize non-const static member or static array in class?
negative_passages.docid: 31737
negative_passages.text: Why aren't static data members allowed in local classes?
negative_passages.docid: 117930
negative_passages.text: Can a method be used as either a staticmethod or instance method?
negative_passages.docid: 1816
negative_passages.text: Non-static variable cannot be referenced from a static context
negative_passages.docid: 41286
negative_passages.text: Static variables in JavaScript
negative_passages.docid: 1605
negative_passages.text: What is the reason behind "non-static method cannot be referenced from a static context"?
negative_passages.docid: 135262
negative_passages.text: Using Static Variables in a Custom Module
negative_passages.docid: 79586
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object