Can you have an arraylist of arrays?
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What is meant by heap sort?
What is sorting problem?
When would you use a hashmap?
What are the notations used in Evaluation of Arithmetic Expressions using prefix and postfix forms?
What do you understand by doubly linked list?
What is difference between rb tree and avl tree?
Which is the parent class of linkedhashset class?
Differentiate between iterator and listiterator.
Which sorting method is slowest?
What is list and types of list?
Is quicksort faster than merge sort?
There are 8, 15, 13, 14 nodes were there in 4 different trees. Which of them could have formed a full binary tree?