Console.WriteLine Method (Single)


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Writes the text representation of the specified single-precision floating-point value, followed by the current line terminator, to the standard output stream.

Namespace:   System
Assembly:  mscorlib (in mscorlib.dll)

[HostProtectionAttribute(SecurityAction.LinkDemand, UI = true)]
public static void WriteLine(
	float value


Type: System.Single

The value to write.

Exception Condition

An I/O error occurred.

The text representation of value is produced by calling the Single.ToString method.

For more information about the line terminator, see the Remarks section of the WriteLine method that takes no parameters.

The following example is a tip calculator that calculates an 18% tip and uses the WriteLine method to display the amount of the original charge, the amount of the tip, and the total amount. The example is a console application that requires the user to supply the amount of the original charge as a command-line parameter.

using System;

public class TipCalculator {
    private const double tipRate = 0.18;
    public static int Main(string[] args) {
        double billTotal;
        if (args.Length == 0) {
            Console.WriteLine("usage: TIPCALC total");
            return 1;
        else {
            if (! Double.TryParse(args[0], out billTotal)) {
                Console.WriteLine("usage: TIPCALC total");
                return 1;
            double tip = billTotal * tipRate;
            Console.WriteLine("Bill total:\t{0,8:c}", billTotal);
            Console.WriteLine("Tip total/rate:\t{0,8:c} ({1:p1})", tip, tipRate);
            Console.WriteLine(("").PadRight(24, '-'));
            Console.WriteLine("Grand total:\t{0,8:c}", billTotal + tip);
            return 0;

>tipcalc 52.23

Bill total:       $52.23
Tip total/rate:    $9.40 (18.0 %)
Grand total:      $61.63


for modifying safe top-level windows and subwindows. Associated enumeration: UIPermissionWindow.SafeTopLevelWindows

.NET Framework
Available since 1.1
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