More operator overloading : Operator Overloading « Class Interface « C# / C Sharp

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C# / C Sharp » Class Interface » Operator OverloadingScreenshots 
More operator overloading
More operator overloading

/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/


// More operator overloading. 
 
using System; 
 
// A three-dimensional coordinate class. 
class ThreeD 
  int x, y, z; // 3-D coordinates   
 
  public ThreeD() { x = y = z = 0
  public ThreeD(int i, int j, int k) { x = i; y = j; z = k; 
 
  // Overload binary +. 
  public static ThreeD operator +(ThreeD op1, ThreeD op2
  
    ThreeD result = new ThreeD()
 
    /* This adds together the coordinates of the two points 
       and returns the result. */ 
    result.x = op1.x + op2.x;  
    result.y = op1.y + op2.y;  
    result.z = op1.z + op2.z;  
 
    return result; 
  
 
  // Overload binary -. 
  public static ThreeD operator -(ThreeD op1, ThreeD op2
  
    ThreeD result = new ThreeD()
 
    /* Notice the order of the operands. op1 is the left 
       operand and op2 is the right. */ 
    result.x = op1.x - op2.x;  
    result.y = op1.y - op2.y;  
    result.z = op1.z - op2.z;  
 
    return result; 
  
   
  // Overload unary -. 
  public static ThreeD operator -(ThreeD op
  
    ThreeD result = new ThreeD()
 
    result.x = -op.x; 
    result.y = -op.y;  
    result.z = -op.z;  
 
    return result; 
  
 
  // Overload unary ++. 
  public static ThreeD operator ++(ThreeD op
  
    // for ++, modify argument 
    op.x++; 
    op.y++;  
    op.z++;  
 
    return op; 
  
 
  // Show X, Y, Z coordinates. 
  public void show() 
  
    Console.WriteLine(x + ", " + y + ", " + z)
  

 
public class ThreeDDemo1 
  public static void Main() { 
    ThreeD a = new ThreeD(123)
    ThreeD b = new ThreeD(101010)
    ThreeD c = new ThreeD()
 
    Console.Write("Here is a: ")
    a.show()
    Console.WriteLine()
    Console.Write("Here is b: ")
    b.show()
    Console.WriteLine()
 
    c = a + b; // add a and b together 
    Console.Write("Result of a + b: ")
    c.show()
    Console.WriteLine()
 
    c = a + b + c; // add a, b and c together 
    Console.Write("Result of a + b + c: ")
    c.show()
    Console.WriteLine()
 
    c = c - a; // subtract a 
    Console.Write("Result of c - a: ")
    c.show()
    Console.WriteLine()
 
    c = c - b; // subtract b 
    Console.Write("Result of c - b: ")
    c.show()
    Console.WriteLine()
 
    c = -a; // assign -a to c 
    Console.Write("Result of -a: ")
    c.show()
    Console.WriteLine()
 
    a++; // increment a 
    Console.Write("Result of a++: ")
    a.show();   
  
}


           
       
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