Can hashmap have same key?
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What is the Role of push() and pop() method?
Define b-tree of order m?
How does quick sort work?
What is bubble sort?
What is the difference between list and arraylist?
List out few of the Application of tree data-structure?
Differentiate between hashmap and hashtable.
Is treeset thread safe?
Mention some drawbacks of the linked list.
What is mean by merge sort?
What is stack explain with diagram?
what is the biggest advantage of linked lists?