query: NullPointerException from random index for populated array list?
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 8808
negative_passages.text: Strange Java null behavior in Method Overloading
negative_passages.docid: 44087
negative_passages.text: ArrayAdapter requires ID to be a TextView error
negative_passages.docid: 5143
negative_passages.text: Any simple way to explain why I cannot do List animals = new ArrayList()?
negative_passages.docid: 289
negative_passages.text: What is a NullReferenceException, and how do I fix it?
negative_passages.docid: 36235
negative_passages.text: Deleting A Specified Element In An Array Using Random Class
negative_passages.docid: 10581
negative_passages.text: Avoiding NullPointerException in Java
negative_passages.docid: 65589
negative_passages.text: How will I be able to remove [NSNull Null] objects from NSMutableArray?
negative_passages.docid: 68247
negative_passages.text: Concurrent Modification Exception : adding to an ArrayList
negative_passages.docid: 120334
negative_passages.text: How to convert an ArrayList containing Integers to primitive int array?
negative_passages.docid: 23964
negative_passages.text: Why does Java have a "NullPointerException" when there are no pointers in Java?
negative_passages.docid: 98780
negative_passages.text: Test Method throwing null pointer exception on custom setting
negative_passages.docid: 33103
negative_passages.text: How come invoking a (static) method on a null reference doesn't throw NullPointerException?
negative_passages.docid: 87728
negative_passages.text: ArgumentNullException or NullReferenceException from extension method?
negative_passages.docid: 146476
negative_passages.text: Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
negative_passages.docid: 144658
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object ,sravn
negative_passages.docid: 70255
negative_passages.text: How to convert List to int[] in Java?