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5 mar 2019 · If you want to do an if / else in a single line, you must know the structure that the code must have: condition ? consequent : alternative. For example: string A = "test"; Console.WriteLine(String.IsNullOrEmpty(A) ? "Yes" : "No"); //Result = No string B = ""; Console.WriteLine(String.IsNullOrEmpty(B) ? "Yes" : "No"); //Result = Yes
12 lut 2023 · Learn the syntax and examples of the ternary operator, a one-line if-else statement in C#. Find out when to use it and when to avoid it for complex scenarios.
Short Hand If...Else (Ternary Operator) There is also a short-hand if else, which is known as the ternary operator because it consists of three operands. It can be used to replace multiple lines of code with a single line. It is often used to replace simple if else statements: Syntax Get your own C# Server.
If statements are C#’s most common branching statement. We make them with the if keyword followed by a Boolean true/false expression between parentheses. Then we type braces ({and }). Inside those we place all code that should run when the if statement’s condition is true.
24 cze 2020 · Learn how to use if, else if, else, and nested if else statements in C# to control the flow of the program based on logical conditions. See syntax, examples, and ternary operator ?: for one-line if statements.
With an if statement we evaluate a condition and, when found true, execute one or several lines of code. But often we’ll want to take one set of actions when an if statement’s condition is true , and perform other actions when that condition tests false .
21 wrz 2024 · An if-statement tests for a possibility in C# programs. This statement (alongside "else") detects if an expression like "x == 10" evaluates to true. We can improve the performance of evaluating if-statements by placing the most common case first.
