query: Java - Attempt to read from a null 2-D Randomly Generate Array
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 2602
negative_passages.text: How do I create a weighted collection and then pick a random element from it?
negative_passages.docid: 26032
negative_passages.text: How do I declare and initialize an array in Java?
negative_passages.docid: 85791
negative_passages.text: Cannot create an array of LinkedLists in Java...?
negative_passages.docid: 49545
negative_passages.text: Getting the length of two-dimensional array
negative_passages.docid: 132398
negative_passages.text: What is null in Java?
negative_passages.docid: 146288
negative_passages.text: How do I read from a File to an array
negative_passages.docid: 127940
negative_passages.text: Getting a random object from NSArray without duplication
negative_passages.docid: 112812
negative_passages.text: Empty an array in Java / processing
negative_passages.docid: 46534
negative_passages.text: Getting a random value from a JavaScript array
negative_passages.docid: 131501
negative_passages.text: How to create 2d array c++?
negative_passages.docid: 23934
negative_passages.text: What's the Right Way to use the rand() Function in C++?
negative_passages.docid: 129627
negative_passages.text: How to "shuffle" an array?
negative_passages.docid: 79477
negative_passages.text: Why is "null" present in C# and Java?
negative_passages.docid: 32784
negative_passages.text: How do I fill arrays in Java?
negative_passages.docid: 7379
negative_passages.text: How to get an array of randomly ordered numbers from 1 to N?
negative_passages.docid: 114816
negative_passages.text: Is null reference possible?