query: Can't find null value for: Exception in thread "main" java.lang.NullPointerException (solved, caused by Boolean vs boolean)
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 33103
negative_passages.text: How come invoking a (static) method on a null reference doesn't throw NullPointerException?
negative_passages.docid: 29684
negative_passages.text: How to check if an object is nullable?
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: 56606
negative_passages.text: Why is main() in java void?
negative_passages.docid: 64200
negative_passages.text: Can Java's NullPointerException be changed to report on which variable was null?
negative_passages.docid: 151837
negative_passages.text: Why doesn't the boolean modifier work for me?
negative_passages.docid: 39781
negative_passages.text: Why does the is operator return false when given null?
negative_passages.docid: 641
negative_passages.text: Which overload will get selected for null in Java?
negative_passages.docid: 131761
negative_passages.text: Boolean expressions in Java
negative_passages.docid: 81518
negative_passages.text: Find out what variable is throwing a NullPointerException programmatically
negative_passages.docid: 98908
negative_passages.text: Is it good practice to set variables to null when they are no longer needed?
negative_passages.docid: 128709
negative_passages.text: Why is there a `null` value in JavaScript?
negative_passages.docid: 158810
negative_passages.text: Why does >= return false when == returns true for null values?
negative_passages.docid: 289
negative_passages.text: What is a NullReferenceException, and how do I fix it?
negative_passages.docid: 46857
negative_passages.text: Compiler warning: null reference exception
negative_passages.docid: 124471
negative_passages.text: Comparing nullable column values using "IS NULL" versus "= NULL"