Answer: ADT (Abstract Data type) represents a set of particular behaviors. for example, LIST represents a sequence of values, a QUEUE represents a FIFO(First in
Category: Java Collections Interview Questions
Java Collections interview questions and answers for freshers and experienced asked in technical interviews in IT companies for software job | Only Real
Answer: Time complexity for the methods offer & poll is O(log(n)) and for the peek() it is Constant time O(1) of java priority queue. SIDE
Just it doesn’t add duplicate values. Boolean add(E e) – Adds the specified element to this set if it is not already present (optional operation). As, add() method returns Boolean and on adding duplicates