Conversion operators and operators

/* ===================================================** TestOperator. cs * // conversion operator // heavy-duty operator ==================================== = */using System; public class Complex {private int x; public Complex (int x) {this. x = x ;}public int X {get {return x ;}set {x = value ;}/// + overload public static Complex operator + (Complex c1, complex c2) {return new Complex (c1.X + c2.X);} // public Complex Add (Complex c) {return (this + c );} // conversion operator // an int32 implicitly constructs a Complex object and returns the public static implicit operator Complex (Int32 numertor) {return new Complex (numertor );} // a Complex display returns an int32public static explicit operator Int32 (Complex c) {return c. X ;}} public class App {public static void Main (string [] args) {Complex c1 = new Complex (90); Complex c2 = new Complex (100 ); complex c3 = c1 + c2; Complex c4 = 2000; Console. writeLine (c1 + c2 ). x. toString (); Console. writeLine (c4.X. toString (); Console. read ();}}