C#L11 Flashcards
What is a string in C#?
A sequence of characters stored in memory.
Are strings mutable or immutable in C#?
Immutable.
How do you escape special characters in a string?
Using a backslash (), e.g., " for quotes.
How do you find the length of a string?
Using .Length property.
How do you compare two strings ignoring case?
Use StringComparison.CurrentCultureIgnoreCase.
What does IndexOf() return if a substring is not found?
-1
How do you extract part of a string?
Using .Substring(startIndex, length).
How do you convert a string to uppercase?
.ToUpper() method.
What method replaces part of a string?
.Replace(old, new).
How do you split a string into an array?
.Split(separator) method.
What does .Trim() do?
Removes whitespace from the start and end.
How do you remove characters from a string?
.Remove(startIndex, length).
How do you insert a string within another string?
.Insert(position, string).
What method is used to check if a string starts with a value?
.StartsWith(string).
What method checks if a string ends with a value?
.EndsWith(string).
