Explain What is the difference between Queue and Stack?

Question

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 LIFO This 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 Select the correct answer from above options

Answer 1

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).