Can we put null value in hashmap?
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What is the difference between length () and size () of arraylist?
Can we use Generics with the array?
What is max heapify?
Which language is best for data structures?
Can treeset contain null?
Is char array null terminated?
Why do we study data structures?
Define Data Structures?
What you mean by sorting?
What does quick sort do?
Differentiate between collection and collections.
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