WebJan 6, 2024 · Below are the programs illustrate the Contains () Method. Program 2: To determine whether a substring is present in a string using ordinal comparison and case-insensitive ordinal comparison. " cannot be null."); Program 3: The following example determines whether the string “Computer” is a substring of given string. WebDec 9, 2024 · HashSet (): It is used to create an instance of the HashSet class that is empty and uses the default equality comparer for the set type. Step 1: Include …

Dictionary Class (System.Collections.Generic)

WebThe following example demonstrates how to remove values from a HashSet collection using the Remove method. In this example, the Contains method verifies that the set … WebAug 22, 2024 · HashSet is an unordered collection containing unique elements. It has the standard collection operations Add, Remove and Contains, but since it uses a hash-based implementation, these operations are O(1). (As opposed to List for example, which is O(n) for Contains and Remove.) The only catch of HashSetis is that there is no access by … songs like sound of silence

HashSet .Contains(T) Method (System.Collections.Generic)

The following example demonstrates how to remove values from a HashSet collection using the Remove method. In this example, the Contains method verifies that the set contains … See more This method is an O(1) operation. See more WebFeb 1, 2024 · Syntax: mySet1.IsSubsetOf (mySet2); Here mySet1 and mySet2 are HashSets. Return Type: This method returns true if the HashSet object is a subset of another subset otherwise, false. Exception: This method will give ArgumentNullException if the HashSet is null. Below given are some examples to understand the implementation … WebNov 26, 2024 · Retrieve HashSet Elements. Besides using the inbuilt Contains() method to check whether a HashSet contains a specific value, we can use the inbuilt TryGetValue (T equalVal, out T actualVal) … songs lisa marie presley wrote