What do you mean by rehashing?
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Why we use linked list?
Describe the merge sort principle and what will be its time complexity?
Can arraylist shrink?
What are the types of algorithms?
Is array a data type?
If you are given a choice to use either arraylist and linkedlist, which one would you use and why?
How can one find a cycle in the linked list? IF found how to recognize the cycle and delete that cycle?
What is linked list ?
If you have to store one lakh objects, what will be a better option- a hash map or an array list?
How efficient is binary search?
What is advantage and disadvantage of linked list?
Which is better hashmap or arraylist?