What is declaring array?
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Suppose in an integer array, there is 1 to 100 number, out of one is duplicate, how to find?
Can hashmap store null values?
Which is better than array and linked list?
What are the 3 types of variables?
What is the non linear data structure?
What the principle of quick sort and its complexity?
What is difference between array and arraylist? When will you use array over arraylist?
What do u mean by array?
Briefly explain recursive algorithm 50 how do you search for a target key in a linked list?
What do you mean by overflow and underflow?
What is the time complexity of selection sort?
Can we null keys in treemap?