What is return map?
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Which type of efficient data structure is used in the internal storage representation in RDBMS?
Define graph?
Which one is faster? A binary search of an orderd set of elements in an array or a sequential search of the elements.
Can you have an arraylist of arrays?
Are collections thread safe?
What is copyonwritearraylist?
What are the four types of variables?
How is hashmap o 1?
Define balance factor of a node in avl tree?
What is the difference between classifying and sorting?
What is type structure?
What is a data structure? What are the types of data structures?