Differentiate between collection and collections.
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Differentiate between comparable and comparator.
How do you separate zeros from non-zeros in an array?
What is the best case time complexity of bubble sort?
What is meant by binary tree?
What is meant by a dynamic array?
Differentiate between iterable and iterator.
How do you increase the capacity of an arraylist?
What are sorting algorithms used for?
Can list contain null values?
Write a program for Sorting an Array. Which sorting will you prefer?
What is data structure and why we need it?
How can I search for data in a linked list?