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A stack is a last in, first out (LIFO) abstract data type and data structure. Perhaps the most common use of stacks is to store subroutine arguments and return addresses.

13 votes

Reversing a String using Stack

public static String reverseString(String originalString) { Stack<Integer> stack = new Stack<>(); StringBuilder reversed = new StringBuilder(); originalString.codePoints().forEach(cp -> stack.push …
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