Is an arraylist a vector?
Define the term “percolate down”?
Which sorting algorithm has minimum number of swaps?
What is meant by binary tree traversal?
Parenthesis are never needed in prefix or postfix expressions. Why?
How will you check the validity of an expression containing nested parentheses?
Do you know how to find if linked list has loop?
How does a selection sort work?
What is data structure and why we need them?
Which is better than array and linked list?
What is the minimum number of queues needed when implementing a priority queue?
How does the size of arraylist increases dynamically?
Why entry interface is used in map?