[Solved] Find the mistake in this C# code:var stack = new Stack<string>(); stack.Push("x"); stack.Push("y"); string s = stack.Dequeue(); | C Sharp (C#)

C Sharp (C#) - Collections

Find the mistake in this C# code:

var stack = new Stack<string>();
stack.Push("x");
stack.Push("y");
string s = stack.Dequeue();

APush() is used incorrectly

BStack does not have a Dequeue() method

CStack cannot store strings

DMissing parentheses in Push()

Step-by-Step Solution

Solution:

Step 1: Review Stack methods
Stack uses Push() to add and Pop() to remove items, not Dequeue().
Step 2: Identify incorrect method call
Calling Dequeue() on a Stack causes a compile error because Dequeue() is a Queue method.
Final Answer:
Stack does not have a Dequeue() method -> Option B
Quick Check:
Stack removal method = Pop(), not Dequeue() [OK]

Quick Trick: Use Pop() for Stack removal, not Dequeue() [OK]

Common Mistakes:

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