Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
-
Economics & Finance
Articles by AmitDiwan
Page 206 of 840
Check if an element is in the Collection in C#
To check if an element exists in a Collection in C#, you can use the Contains() method. This method returns true if the specified element is found in the collection, and false otherwise. The Collection class is part of the System.Collections.ObjectModel namespace and provides a generic collection that can be used as a base class for creating custom collections. Syntax Following is the syntax for using the Contains() method − bool result = collection.Contains(item); Parameters item − The element to search for in the collection. Return Value ...
Read MoreCheck if an element is in the Queue in C#
To check if an element exists in a Queue in C#, you can use the Contains() method. This method returns true if the specified element is found in the queue, and false otherwise. The Queue class in C# provides this built-in functionality for easy element searching. Syntax Following is the syntax for using the Contains() method − bool result = queue.Contains(element); Parameters element − The element to search for in the queue Return Value The method returns a bool value − true if the element is found in ...
Read MoreGet or set the number of elements in the BitArray in C#
The BitArray.Length property in C# gets or sets the number of elements in the BitArray. This property is essential for determining the size of a BitArray and can also be used to resize it dynamically. Syntax Following is the syntax for getting the length of a BitArray − int length = bitArray.Length; Following is the syntax for setting the length of a BitArray − bitArray.Length = newLength; Getting BitArray Length The Length property returns the total number of elements in the BitArray, regardless of their values − ...
Read MoreCheck if Hashtable has a fixed size in C#
The IsFixedSize property in C# is used to check whether a Hashtable has a fixed size or not. A fixed-size Hashtable does not allow adding or removing elements, but existing elements can still be modified. Regular Hashtables created using standard constructors are not fixed-size by default. Syntax Following is the syntax to check if a Hashtable has a fixed size − bool isFixed = hashtable.IsFixedSize; Return Value The IsFixedSize property returns a bool value − True − If the Hashtable has a fixed size False − If the Hashtable can grow ...
Read MoreCheck if the Hashtable contains a specific value in C#
To check if a Hashtable contains a specific value in C#, you use the ContainsValue() method. This method returns true if the specified value exists in the Hashtable, and false otherwise. Syntax Following is the syntax for checking if a Hashtable contains a specific value − bool result = hashtable.ContainsValue(value); Parameters value − The value to search for in the Hashtable. It can be null. Return Value Returns true if the Hashtable contains the specified value; otherwise, false. Using ContainsValue() with Different Data Types Example ...
Read MoreGetting the list of keys of a SortedList object in C#
The SortedList class in C# provides the GetKeyList() method to retrieve all keys as an IList collection. This method returns keys in their sorted order, making it useful for accessing or iterating through keys separately from their values. Syntax Following is the syntax for getting the list of keys from a SortedList − IList keyList = sortedList.GetKeyList(); Return Value The GetKeyList() method returns an IList object containing all the keys from the SortedList in sorted order. The returned list is read-only and reflects the current state of the SortedList. Using GetKeyList() Method ...
Read MoreCheck if a SortedSet object is a proper subset of the specified collection in C#
A proper subset is a set where all elements of one set are contained in another set, but the two sets are not equal. In C#, the SortedSet class provides the IsProperSubsetOf() method to check if a SortedSet is a proper subset of a specified collection. Syntax Following is the syntax for the IsProperSubsetOf() method − public bool IsProperSubsetOf(IEnumerable other) Parameters other − The collection to compare with the current SortedSet. Return Value Returns true if the SortedSet is a proper subset of the specified collection; otherwise, false. ...
Read MoreGetting the list of Values of a SortedList object in C#
A SortedList in C# is a collection of key-value pairs sorted by keys. To get the list of values from a SortedList object, you can use the GetValueList() method, which returns an IList containing all the values in the same order as their corresponding keys. Syntax Following is the syntax for getting values from a SortedList − SortedList sortedList = new SortedList(); IList valueList = sortedList.GetValueList(); The GetValueList() method returns an IList object containing all values in key-sorted order. Using GetValueList() with Integer Values This example demonstrates how to extract integer values ...
Read MoreCheck if a SortedSet object is a proper superset of the specified collection in C#
To check if a SortedSet object is a proper superset of a specified collection in C#, use the IsProperSupersetOf() method. A proper superset contains all elements of another collection plus at least one additional element. Syntax The syntax for the IsProperSupersetOf() method is − public bool IsProperSupersetOf(IEnumerable other) Parameters other − The collection to compare with the current SortedSet. Return Value Returns true if the current SortedSet is a proper superset of the specified collection; otherwise, false. Proper Superset Relationship ...
Read MoreGet or set the number of elements that the ArrayList can contain in C#
The Capacity property of an ArrayList in C# gets or sets the number of elements that the ArrayList can contain without resizing. This is different from the Count property, which represents the actual number of elements currently stored in the ArrayList. When elements are added and the capacity is exceeded, the ArrayList automatically doubles its capacity to accommodate more elements. Syntax Following is the syntax for getting the capacity − int capacity = arrayList.Capacity; Following is the syntax for setting the capacity − arrayList.Capacity = newCapacity; Understanding Capacity vs ...
Read More