Data Type C# Tutorial

using System; 
 
class Example {  
  public static void Main() { 
    ushort num;  
    ushort i;     
 
    for(i = 1; i <= 10; i++) { 
      num = i; 
 
      Console.WriteLine("num: " + num); 
 
      num = (ushort) (num | 1); // num | 0000 0001 
 
      Console.WriteLine("num after turning on bit zero: " 
                        +  num + "\n");  
    } 
  } 
}
num: 1
num after turning on bit zero: 1
num: 2
num after turning on bit zero: 3
num: 3
num after turning on bit zero: 3
num: 4
num after turning on bit zero: 5
num: 5
num after turning on bit zero: 5
num: 6
num after turning on bit zero: 7
num: 7
num after turning on bit zero: 7
num: 8
num after turning on bit zero: 9
num: 9
num after turning on bit zero: 9
num: 10
num after turning on bit zero: 11