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What is the difference between Queue and Stack?(a) Stack is LIFO; Queue is FIFO(b) Queue is LIFO; Stack is FIFO(c) Stack and Queue is FIFO(d) Stack and Queue is LIFOThis question was posed to me at a job interview.This interesting question is from Data Structures-Queue topic in chapter java.util – The Collections Framework of Java

Answer»

Right answer is (a) Stack is LIFO; QUEUE is FIFO

To EXPLAIN: Stack is Last in FIRST out (LIFO) and Queue is First in First out(FIFO).



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