Collection<T>.Contains(T) method is used to determine whether an element is in the Collection<T>.
public bool Contains (T item);
Here, item is the object to locate in the Collection<T>. The value can be null for reference types.
Return Value: This method return True if item is found in the Collection<T>, otherwise, False.
Below given are some examples to understand the implementation in a better way:
Note: This method performs a linear search. Therefore, this method is an O(n) operation, where n is Count.
- C# | How to check whether a List contains a specified element
- C# | Check if a HashSet contains the specified element
- C# | Check if an element is in the Queue
- C# | Check if a Stack contains an element
- C# | Check if the SortedSet contains a specific element
- C# | Check whether an element is contained in the ArrayList
- C# | Check if every List element matches the predicate conditions
- C# | Add element to SortedSet
- C# | How to get Fifth Element of the Tuple?
- C# | How to get Third Element of the Tuple?
- How to get third Element of the ValueTuple in C#?
- How to get First Element of the ValueTuple in C#?
- C# | Add element to HashSet
- C# | How to get Second Element of the Tuple?
- How to get fifth Element of the ValueTuple in C#?
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