Using casts in an expression

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/*
C#: The Complete Reference
by Herbert Schildt

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Using casts in an expression.

using System;

public class CastExpr {
public static void Main() {
double n;

for(n = 1.0; n <= 10; n++) { Console.WriteLine("The square root of {0} is {1}", n, Math.Sqrt(n)); Console.WriteLine("Whole number part: {0}" , (int) Math.Sqrt(n)); Console.WriteLine("Fractional part: {0}", Math.Sqrt(n) - (int) Math.Sqrt(n) ); Console.WriteLine(); } } } [/csharp]