Use the shift operators to multiply and divide by 2 : Operator bitwise « Language Basics « C# / C Sharp

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C# / C Sharp » Language Basics » Operator bitwiseScreenshots 
Use the shift operators to multiply and divide by 2
Use the shift operators to multiply and divide by 2

/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Use the shift operators to multiply and divide by 2. 
using System; 
 
public class MultDiv {  
  public static void Main() { 
    int n; 
 
    n = 10
 
    Console.WriteLine("Value of n: " + n)
 
    // multiply by 2 
    n = n << 1
    Console.WriteLine("Value of n after n = n * 2: " + n)
 
    // multiply by 4 
    n = n << 2
    Console.WriteLine("Value of n after n = n * 4: " + n)
 
    // divide by 2 
    n = n >> 1
    Console.WriteLine("Value of n after n = n / 2: " + n)
 
    // divide by 4 
    n = n >> 2
    Console.WriteLine("Value of n after n = n / 4: " + n)
    Console.WriteLine()
 
    // reset n 
    n = 10
    Console.WriteLine("Value of n: " + n)
 
    // multiply by 2, 30 times 
    n = n << 30// data is lost 
    Console.WriteLine("Value of n after left-shifting 30 places: " + n)
 
  
}

           
       
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