Are duplicates allowed in list?
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Are collections thread safe?
What do you mean by separate chaining?
Why quicksort is called quick?
Mention the steps to insert data at the starting of a singly linked list?
Can an arraylist be null?
What is array in data structure with example?
Explain what is B-tree?
What is the most used data structure?
What is complete binary tree in data structure?
What do you mean by open addressing?
What is difference between hashmap and linkedhashmap?
What is scalar data type?