Demonstrate the if : If : Language Basics C# Source Code

    

/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Demonstrate the if.  
 
using System; 
 
public class IfDemo {  
  public static void Main() {  
    int a, b, c;  
  
    a = 2;  
    b = 3;  
  
    if(a < b) Console.WriteLine("a is less than b"); 
 
    // this won't display anything  
    if(a == b) Console.WriteLine("you won't see this");  
 
    Console.WriteLine(); 
 
    c = a - b; // c contains -1 
 
    Console.WriteLine("c contains -1"); 
    if(c >= 0) Console.WriteLine("c is non-negative"); 
    if(c < 0) Console.WriteLine("c is negative"); 
 
    Console.WriteLine(); 
 
    c = b - a; // c now contains 1 
    Console.WriteLine("c contains 1"); 
    if(c >= 0) Console.WriteLine("c is non-negative"); 
    if(c < 0) Console.WriteLine("c is negative"); 
 
  }  
}