query: class object is not created in main class and giving NullPointerException error
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 107603
negative_passages.text: Creating an instance using the class name and calling constructor
negative_passages.docid: 54392
negative_passages.text: How to call getClass() from a static method in Java?
negative_passages.docid: 89755
negative_passages.text: Why is "throw null" not creating a compilation error in Java?
negative_passages.docid: 67597
negative_passages.text: Can constructor return a null object?
negative_passages.docid: 77765
negative_passages.text: ClassFormatError in Java
negative_passages.docid: 28911
negative_passages.text: What are all the different ways to create an object in Java?
negative_passages.docid: 64200
negative_passages.text: Can Java's NullPointerException be changed to report on which variable was null?
negative_passages.docid: 8283
negative_passages.text: Why does null reference print as "null"
negative_passages.docid: 138618
negative_passages.text: How to resolve NullPointerException error in my below POM code?
negative_passages.docid: 46960
negative_passages.text: error with inner class object
negative_passages.docid: 140738
negative_passages.text: Does setting Java objects to null do anything anymore?
negative_passages.docid: 80299
negative_passages.text: Java Error: Cannot make a static reference to the non-static method
negative_passages.docid: 58054
negative_passages.text: When is it OK to catch NullPointerException?
negative_passages.docid: 34558
negative_passages.text: "Error: Main method not found in class MyClass, please define the main method as..."
negative_passages.docid: 48391
negative_passages.text: "Main method not found" error when starting program?
negative_passages.docid: 79586
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object