Strings in the C#
Strings in C# In C#, strings are sequences of characters enclosed in double quotes (""). They are represented by the string keyword and are immutable, meaning their value cannot be changed after creation. Creating Strings: string greeting = "Hello, world!"; Accessing Characters: You can access individual characters using index-based access: char firstChar = greeting[0]; // 'H' String Length: To get the length of a string, use the Length property: int length = greeting.Length; // 13 String Concatenation: You can combine strings using the + operator or the Concat method: string firstName = "Alice"; string lastName = "Johnson"; string fullName = firstName + " " + lastName; // "Alice Johnson" string fullName2 = string.Concat(firstName, " ", lastName); // "Alice Johnson" String Comparison: You can compare strings using the == and != operators, or the Equals method: string str1 = "Hello"; string...