If a value is positive or negative : If « Statement « C# / CSharp Tutorial






  1. C# / CSharp Tutorial
  2. Statement
  3. If

The semicolon signals the end of a statement.

using System; 
 
class MainClass {  
  public static void Main() { 
    int i; 
 
    for(i=-5; i <= 5; i++) { 
      Console.Write("Testing " + i + ": "); 
 
      if(i < 0) 
         Console.WriteLine("negative"); 
      else 
         Console.WriteLine("positive"); 
    } 
  } 
}

Testing -5: negative
Testing -4: negative
Testing -3: negative
Testing -2: negative
Testing -1: negative
Testing 0: positive
Testing 1: positive
Testing 2: positive
Testing 3: positive
Testing 4: positive
Testing 5: positive




4.1.If
4.1.1.The if Statement
4.1.2.Relational operators that can be used in a conditional expression.
4.1.3.Demonstrate the if statement
4.1.4.bool values in if statement
4.1.5.If a value is positive or negative
4.1.6.if statement with || and &&
4.1.7.Determine if a value is positive, negative, or zero
4.1.8.A nested if statement
4.1.9.Use an if statement that executes a block