What is the difference between for and foreach loop?
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Why it is important to have aligned addresses? What is the exception generated when there is a misaligned address?
Define the queue data structure.
Does hashmap preserve insertion order?
Can we give size to arraylist?
What are the advantages of linked list over an array?
Define depth and height of a tree?
Define 2-3-4 tree?
What is structured data with example?
Define the term “percolate up”?
What is a Queue? Explain its operation with example?
Define union-by-weight?
What is difference between treeset hashset linkedhashset?