How do we find duplicate elements in an array?
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Will arraylist maintain insertion order?
How many types of linked list are there?
What is a bubble sort and how do you perform it?
What is collection process?
When would you use a tuple?
“int a[] = new int[3]{1, 2, 3}” – This a legal way of defining the arrays?
When ArrayIndexOutOfBoundsException occurs?
Which is faster hashmap or treemap?
How do you sort large data?
Does hashmap maintain insertion order?
What is a data structure node class?
What is dynamic array how it is created?