Is treeset synchronized?
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What is the purpose of sorting?
How arraylist increase its size?
What is the best case complexity of bubble sort?
What is map data structure?
What is hashing technique?
Is arraylist synchronized?
What are all the classes and interfaces that are available in the collections?
Explain what do you mean by insertion sort, bubble sort and selection sort? Also, explain the differences among the functionalities of the three sorts.
Can constructor be static?
What is the difference between the hash table and hash map?
Can we put null value in hashmap?
Why entry interface is used in map?