query: (Java) Getting a null pointer exception from creating a JFrame and JPanel
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 46857
negative_passages.text: Compiler warning: null reference exception
negative_passages.docid: 87728
negative_passages.text: ArgumentNullException or NullReferenceException from extension method?
negative_passages.docid: 70532
negative_passages.text: NullReferenceException after POST
negative_passages.docid: 69771
negative_passages.text: NullPointerException when setting attribute?
negative_passages.docid: 11494
negative_passages.text: Swing, Java and multithreading, and coloring buttons
negative_passages.docid: 33244
negative_passages.text: Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException
negative_passages.docid: 87189
negative_passages.text: System.NullPointerException
negative_passages.docid: 23964
negative_passages.text: Why does Java have a "NullPointerException" when there are no pointers in Java?
negative_passages.docid: 80727
negative_passages.text: Create GUI using Eclipse (Java)
negative_passages.docid: 40818
negative_passages.text: What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
negative_passages.docid: 68157
negative_passages.text: How to add an image to a JPanel?
negative_passages.docid: 73120
negative_passages.text: Nullpointerexception when trying to send data from activity to class
negative_passages.docid: 109005
negative_passages.text: Background image in a JFrame
negative_passages.docid: 8283
negative_passages.text: Why does null reference print as "null"
negative_passages.docid: 19747
negative_passages.text: Is it possible to display Swing components in a JSP?
negative_passages.docid: 79586
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object