Now let’s see differences between Stack and Queue data structure in Java:ġ) The first and major difference between Stack and Queue data structure is that Stack is LIFO(Last In First Out) data structure while Queue is FIFO (First In First out) data structure. ![]() object which is first inserted, is first consumed On the other hand, Queue data structure literally represent a queue, which is a FIFO (First In First Out) data structure, i.e. Stack is LIFO (last In First Out) data structure which means the item which is inserted last is retrieved first, similar to a stack of plates in a dinner party, where every guest pick up the plate from the top of stack. You can use Stack to solve recursive problems and Queue can be used for ordered processing As opposed to the array and linked list, which are considered as a primary data structure, they are a secondary data structure which can build using an array or linked list. Stack and Queue are two of important data structures in the programming world and have a variety of usage. ![]() Difference between Stack and Queue Data Structure in Java
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