STACK follows LIFO. Thus the item that is first entered would be the last removed.

In array the items can be entered or removed in any order. Basically each member access is done using index. No strict order is to be followed here to remove a particular element.

array may be multidiamensional or onediamensional
but stack should be onediamensional.
but both are linear data structure.

array is the collection of hetrogenious data elements,where as structure can hav both hetrogenious and non hetrogenious elements

array may be multidiamensional or onediamensional
but stack should be onediamensional.
but both are linear data structure.
array is a collection of similer elements and structure doesnt

Array and Stack both are linear data structures. But, size of array is fixed, while stack can be grow or shrink. We can say stack is dynamic data structure.
stack is implemented using LIFO method for to access elements in it, on the other hand,we can access elements from array from any location using its index number in array.

By default the value of Stack in programming languages is 1024 but array has only initilization.

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