public class ComplexNumber
{
public ComplexNumber( int real, int imaginary )
{
this.real = real;
this.imaginary = imaginary;
}
public override bool Equals( object obj )
{
ComplexNumber other = obj as ComplexNumber;
if( other == null )
{
return false;
}
return (this.real == other.real) && (this.imaginary == other.imaginary);
}
public override int GetHashCode()
{
return (int) real ^ (int) imaginary;
}
public static bool operator==( ComplexNumber me, ComplexNumber other )
{
return Equals( me, other );
}
public static bool operator!=( ComplexNumber me, ComplexNumber other )
{
return Equals( me, other );
}
private double real;
private double imaginary;
}
public class MainClass
{
static void Main()
{
ComplexNumber referenceA = new ComplexNumber( 1, 2 );
ComplexNumber referenceB = new ComplexNumber( 1, 2 );
System.Console.WriteLine( "Result of Equality is {0}",referenceA == referenceB );
System.Console.WriteLine( "Identity of references is {0}",(object) referenceA == (object) referenceB );
System.Console.WriteLine( "Identity of references is {0}",ReferenceEquals(referenceA, referenceB) );
}
}
|