Csharp/CSharp Tutorial/Operator/Address Operator

Overload &

<source lang="csharp">using System;

class TwoDimension {

 int x, y;
  
 public TwoDimension() { 
    x = y = 0; 
 }   
 public TwoDimension(int i, int j) { 
    x = i; 
    y = j;
 }   

 // Overload &.   
 public static bool operator &(TwoDimension op1, TwoDimension op2)   
 {   
   if( ((op1.x != 0) && (op1.y != 0)) & ((op2.x != 0) && (op2.y != 0) ) ) 
     return true;   
   else   
     return false;   
 }   

 // Show X, Y
 public void show()   
 {   
   Console.WriteLine(x + ", " + y);   
 }   

}

class MainClass {

 public static void Main() {   
   TwoDimension a = new TwoDimension(5, 6);   
   TwoDimension b = new TwoDimension(10, 10);   
   TwoDimension c = new TwoDimension(0, 0);   
  
   Console.Write("Here is a: ");   
   a.show();   
   Console.Write("Here is b: ");   
   b.show();   
   Console.Write("Here is c: ");   
   c.show();   
   Console.WriteLine();   

   if(a & b) 
      Console.WriteLine("a & b is true."); 
   else 
      Console.WriteLine("a & b is false."); 

   if(a & c) 
      Console.WriteLine("a & c is true."); 
   else 
      Console.WriteLine("a & c is false."); 
 }   

}</source>

Here is a: 5, 6
Here is b: 10, 10
Here is c: 0, 0
a & b is true.
a & c is false.