query: JPanel being passed as null
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 58054
negative_passages.text: When is it OK to catch NullPointerException?
negative_passages.docid: 87189
negative_passages.text: System.NullPointerException
negative_passages.docid: 33938
negative_passages.text: How can I pass a Bitmap object from one activity to another
negative_passages.docid: 88920
negative_passages.text: Is using NULL references OK?
negative_passages.docid: 8283
negative_passages.text: Why does null reference print as "null"
negative_passages.docid: 10581
negative_passages.text: Avoiding NullPointerException in Java
negative_passages.docid: 114816
negative_passages.text: Is null reference possible?
negative_passages.docid: 96046
negative_passages.text: Static fields on a null reference in Java
negative_passages.docid: 110077
negative_passages.text: Is it good practice to NULL a pointer after deleting it?
negative_passages.docid: 73034
negative_passages.text: StringBuilder append() and null values
negative_passages.docid: 125549
negative_passages.text: Does assigning null remove all event handlers from an object?
negative_passages.docid: 141129
negative_passages.text: InputStream returning NullPointerException (Java)
negative_passages.docid: 149666
negative_passages.text: Why can't a null-reference exception name the object that has a null reference?
negative_passages.docid: 81624
negative_passages.text: Is returning null bad design?
negative_passages.docid: 94390
negative_passages.text: Not able to add 3 JPanels to a main panel
negative_passages.docid: 19747
negative_passages.text: Is it possible to display Swing components in a JSP?