C# | Inverting all bit values in BitArray Last Updated : 01 Feb, 2019 Comments Improve Suggest changes Like Article Like Report The BitArray class manages a compact array of bit values, which are represented as Booleans, where true indicates that the bit is on i.e, 1 and false indicates the bit is off i.e, 0. This class is contained in System.Collections namespace. BitArray.Not method inverts all the bit values in the current BitArray, so that elements set to true are changed to false, and elements set to false are changed to true. Properties: The BitArray class is a collection class in which the capacity is always the same as the count. Elements are added to a BitArray by increasing the Length property. Elements are deleted by decreasing the Length property. Elements in this collection can be accessed using an integer index. Indexes in this collection are zero-based. Syntax: public System.Collections.BitArray Not (); Return Value: It returns the current instance with inverted bit values. Example: CSHARP // C# code to invert values in BitArray using System; using System.Collections; class GFG { // Driver code public static void Main() { // Creating a BitArray BitArray myBitArr1 = new BitArray(4); // Creating a BitArray BitArray myBitArr2 = new BitArray(4); // Initializing values in myBitArr1 myBitArr1[0] = false; myBitArr1[1] = false; myBitArr1[2] = true; myBitArr1[3] = true; // Initializing values in myBitArr2 myBitArr2[0] = false; myBitArr2[1] = true; myBitArr2[2] = false; myBitArr2[3] = true; // Function calling to print the values // of BitArray myBitArr1 Console.WriteLine("Values in BitArray myBitArr1 are : "); PrintValues(myBitArr1); // Function calling to print the values // of BitArray myBitArr2 Console.WriteLine("Values in BitArray myBitArr2 are : "); PrintValues(myBitArr2); // inverting values in BitArray myBitArr1 myBitArr1.Not(); // inverting values in BitArray myBitArr2 myBitArr2.Not(); // Function calling to print the inverted values // of BitArray myBitArr1 Console.WriteLine("Values in BitArray myBitArr1 are : "); PrintValues(myBitArr1); // Function calling to print the inverted values // of BitArray myBitArr2 Console.WriteLine("Values in BitArray myBitArr2 are : "); PrintValues(myBitArr2); } // Displaying the result public static void PrintValues(IEnumerable myList) { foreach(Object obj in myList) { Console.WriteLine(obj); } } } Output: Values in BitArray myBitArr1 are : False False True True Values in BitArray myBitArr2 are : False True False True Values in BitArray myBitArr1 are : True True False False Values in BitArray myBitArr2 are : True False True False Note: This method is an O(n) operation, where n is Count. Reference: https://docs.microsoft.com/en-us/dotnet/api/system.collections.bitarray.not?view=netframework-4.7.2 Comment More infoAdvertise with us Next Article C# | Inverting all bit values in BitArray S Sahil_Bansall Follow Improve Article Tags : C# CSharp-method CSharp-Collections-Namespace CSharp-Collections-BitArray Similar Reads C# | Get value of the bit at a specific position in BitArray The BitArray class manages a compact array of bit values, which are represented as Booleans, where true indicates that the bit is on i.e, 1 and false indicates the bit is off i.e, 0. This class is contained in System.Collections namespace. BitArray.Get(Int32) method is used to get the value of the b 3 min read C# | Set all bits in the BitArray to the specified value The BitArray class manages a compact array of bit values, which are represented as Booleans, where true indicates that the bit is on i.e, 1 and false indicates the bit is off i.e, 0. This class is contained in System.Collections namespace. BitArray.SetAll(Boolean) method is used to set all bits in t 3 min read C# | Set the bit at a specific position in the BitArray to the specified value The BitArray class manages a compact array of bit values, which are represented as Booleans, where true indicates that the bit is on i.e, 1 and false indicates the bit is off i.e, 0. This class is contained in System.Collections namespace. BitArray.Set(Int32, Boolean) method is used to set the bit a 3 min read C# | Copying BitArray elements to an Array The BitArray class manages a compact array of bit values, which are represented as Booleans, where true indicates that the bit is on i.e, 1 and false indicates the bit is off i.e, 0. This class is contained in System.Collections namespace. BitArray.CopyTo(Array, Int32) method is used to copy the ent 3 min read C# | Gets or sets the value of the bit at a specific position in the BitArray BitArray.Item[Int32] Property is used to get or set the value of the bit at a specific position in the BitArray. Syntax: public bool this[int index] { get; set; } Here, the index is the zero-based Index of the value which is to get or set. Return Value: It returns a boolean value of the bit at posit 2 min read Like