query: Attempt to invoke virtual method 'java.lang.String on a null object reference
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 147603
negative_passages.text: How can I call a method in an object from outside the JVM?
negative_passages.docid: 87189
negative_passages.text: System.NullPointerException
negative_passages.docid: 58054
negative_passages.text: When is it OK to catch NullPointerException?
negative_passages.docid: 37988
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object:
negative_passages.docid: 33103
negative_passages.text: How come invoking a (static) method on a null reference doesn't throw NullPointerException?
negative_passages.docid: 46944
negative_passages.text: Null pointer Exception - findViewById()
negative_passages.docid: 95208
negative_passages.text: The method getText() is undefined for the type String error
negative_passages.docid: 138618
negative_passages.text: How to resolve NullPointerException error in my below POM code?
negative_passages.docid: 70015
negative_passages.text: How do I call a Scala Object method using reflection?
negative_passages.docid: 8808
negative_passages.text: Strange Java null behavior in Method Overloading
negative_passages.docid: 35590
negative_passages.text: How to fix NullPointerException in Java?
negative_passages.docid: 140738
negative_passages.text: Does setting Java objects to null do anything anymore?
negative_passages.docid: 135931
negative_passages.text: What does "Method '~' of object '~' failed" at runtime mean?
negative_passages.docid: 10818
negative_passages.text: NullPointerException : println needs a message in android
negative_passages.docid: 152349
negative_passages.text: JAVA Object/String method overload
negative_passages.docid: 8283
negative_passages.text: Why does null reference print as "null"