Found 2628 Articles for Csharp

C# String Operators

AmitDiwan
Updated on 02-Dec-2019 12:31:22

470 Views

There are two string operators in C#: Equality and Inequality.ExampleLet us see an example of Equality operator − Live Demousing System; public class Demo {    public static void Main() {       string str1 = "Amit";       string str2 = " ";       Console.WriteLine("Is string1 null or empty? = "+string.IsNullOrEmpty(str1));       Console.WriteLine("Is string2 null or empty? = "+string.IsNullOrEmpty(str2));       Console.WriteLine("Is string1 equal to str2? = "+str1 == str2);    } }OutputIs string1 null or empty? = False Is string2 null or empty? = False FalseExampleLet us now see an example of C# Inequality operator − Live Demousing System; public class Demo {    public ... Read More

C# Queue.TrimExcess() Method with Examples

AmitDiwan
Updated on 02-Dec-2019 12:28:15

202 Views

The Queue.TrimExcess() method in C# is used to set the capacity to the actual number of elements in the Queue, if that number is less than 90 percent of current capacity.Syntaxpublic void TrimExcess ();Example Live Demousing System; using System.Collections.Generic; public class Demo {    public static void Main() {       Queue queue = new Queue();       queue.Enqueue(100);       queue.Enqueue(200);       queue.Enqueue(300);       queue.Enqueue(400);       queue.Enqueue(500);       queue.Enqueue(600);       queue.Enqueue(700);       queue.Enqueue(800);       queue.Enqueue(900);       queue.Enqueue(1000);       Console.WriteLine("Queue..."); ... Read More

C# Object.GetType() Method with Examples

AmitDiwan
Updated on 10-Jul-2020 05:04:20

2K+ Views

The Object.GetTypeCode() method in C# is used to get the Type of the current instance.SyntaxThe syntax is as follows −public Type GetType ();Example Live Demousing System; public class Demo {    public static void Main() {       Object ob = new Object();       String str = "Jim";       Type type1 = ob.GetType();       Type type2 = str.GetType();       Console.WriteLine("Type = "+type1);       Console.WriteLine("Type = "+type2);       Console.WriteLine("Hash Code = "+type1.GetHashCode());       Console.WriteLine("Hash Code = "+type2.GetHashCode());    } }OutputType = System.Object Type = System.String Hash Code = 30015890 Hash Code = 21083178Example Live Demousing System; ... Read More

C# BitConverter.ToString(Byte[]) Method

AmitDiwan
Updated on 02-Dec-2019 12:16:46

1K+ Views

The BitConverter.ToString() method in C# is used to convert the numeric value of each element of a specified array of bytes to its equivalent hexadecimal string representation.Syntaxpublic static string ToString (byte[] val);Above, val is the byte array.Example Live Demousing System; public class Demo {    public static void Main() {       byte[] arr = {0, 10, 2, 5, 32, 45};       int count = arr.Length;       Console.Write("Byte Array... ");       for (int i = 0; i < count; i++) {          Console.Write(""+arr[i]);       }       Console.WriteLine("Byte ... Read More

Single.Equals() Method in C# with Examples

AmitDiwan
Updated on 02-Dec-2019 12:11:42

50 Views

The Single.Equals() method in C# is used to return a value indicating whether two instances of Single represent the same value.Syntaxpublic bool Equals (float ob); public override bool Equals (object ob);The parameter ob for the both the syntaxes is an object to compare with this instance.Example Live Demousing System; public class Demo {    public static void Main() {       float f1 = 15.9f;       float f2 = 40.2f;       Console.WriteLine("Value1 = "+f1);       Console.WriteLine("Value2 = "+f2);         Console.WriteLine("Are both the values equal? = "+f1.Equals(f2));    } }OutputValue1 = 15.9 Value2 = 40.2 Are both the values equal? = FalseExample Live ... Read More

C# BitConverter.ToChar() Method

AmitDiwan
Updated on 02-Dec-2019 12:07:51

66 Views

The BitConverter.ToChar() method in C# is used to returns a Unicode character converted from two bytes at a specified position in a byte array.Syntaxpublic static char ToChar (byte[] value, int begnIndex);Above, val is the byte array, whereas begnIndex is the beginning position within val.Example Live Demousing System; public class Demo {    public static void Main() {       byte[] arr = { 0, 20, 50, 65 };       Console.WriteLine("Array = {0} ",       BitConverter.ToString(arr));       for (int i = 1; i < arr.Length - 1; i = i + 2) {     ... Read More

Equals(String, String) Method in C#

AmitDiwan
Updated on 02-Dec-2019 12:00:36

163 Views

The Equals() method in C# is used to check whether two String objects have the same value or not.Syntaxbool string.Equals(string s1, string s2)Above, s1 and s2 are the strings to be compared.Example Live Demousing System; public class Demo {    public static void Main(string[] args) {       string s1 = "Kevin";       string s2 = "Tom";       string s3 = s2;       Console.WriteLine("String1 = "+s1);       Console.WriteLine("String2 = "+s2);       Console.WriteLine("Are both the strings equal? = "+s1.Equals(s2));       Console.WriteLine("Are both the strings equal? = "+s2.Equals(s3));    } ... Read More

Boolean.GetHashCode() Method in C# with Examples

AmitDiwan
Updated on 02-Dec-2019 11:25:31

98 Views

The Boolean.GetHashCode() method in C# is used to return the hash code for this instance.Syntaxpublic override int GetHashCode ();Example Live Demousing System; public class Demo {    public static void Main(String[] args){       string str = "JackSparrow!";       bool val = true;       char[] arr = { 'J', 'a'};       Console.WriteLine("String = "+str);       Console.WriteLine("String (after trim) = " + str.Trim(arr));       Console.WriteLine("String (Hashcode) = "+str.GetHashCode());       Console.WriteLine("Bool (Hashcode) = "+val.GetHashCode());    } }OutputString = JackSparrow! String (after trim) = ckSparrow! String (Hashcode) = -203134198 Bool (Hashcode) = 1Example Live Demousing System; public class Demo {    public static void ... Read More

C# Trim() Method

AmitDiwan
Updated on 02-Dec-2019 11:21:52

8K+ Views

The Trim() method in C# is used to return a new string in which all leading and trailing occurrences of a set of specified characters from the current string are removed.Syntaxpublic string Trim (); public string Trim (params char[] trimChars);Above, the trimChars parameter is an array of Unicode characters to remove, or null.Example Live Demousing System; using System.Globalization; public class Demo {    public static void Main(String[] args) {       string str1 = " JackSparrow!";       string str2 = " @#$PQRSTUV!";       Console.WriteLine("String1 = "+str1);       Console.WriteLine("String1 (after trim) = "+str1.Trim());     ... Read More

C# ToUpper() Method

AmitDiwan
Updated on 02-Dec-2019 11:19:20

305 Views

The ToUpper() method in C# is used to return a copy of this string converted to uppercase.Syntaxpublic string ToUpper ();Example Live Demousing System; public class Demo {    public static void Main(String[] args) {       string str1 = "Welcome!";       string str2 = "Thisisit!";       char[] arr1 = str1.ToCharArray(3, 2);       char[] arr2 = str2.ToCharArray(2, 2);       Console.WriteLine("String1 = "+str1);       Console.WriteLine("String1 ToUpper = "+str1.ToUpper());       Console.WriteLine("String1 Substring from index4 = " + str1.Substring(4, 4));       Console.Write("Character array...String1 =");       for (int i ... Read More

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