Stack.Contains() Method in C#
This method(comes under System.Collections namespace) is used to check whether a specified element is present is Stack or not. Internally this method checks for equality by calling the Object.Equals method. Also, it performs a linear search, therefore, this method is an O(n) operation, where n is Count.
public virtual bool Contains (object obj);
Here, obj is the object to locate in the Stack. The value can be null.
Return Value: It returns true, if obj is found in the Stack otherwise returns false.
Below programs illustrate the use of above-discussed method:
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