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C# Output

C# output is the text and numbers a program prints to the screen. Console.WriteLine prints a value and then ends the line.

WriteLine ends the line

Console is the text window of a program. Each WriteLine call ends its own line.

using System;

class Program
{
    static void Main(string[] args)
    {
        Console.WriteLine("Hello");
        Console.WriteLine("World");
    }
}

Write stays together

Neither Write call ends the line. The two parts share one output line.

using System;

class Program
{
    static void Main(string[] args)
    {
        Console.Write("Hello");
        Console.Write(" World");
    }
}

Numbers as values

A whole number prints without quotes. An expression prints its result.

using System;

class Program
{
    static void Main(string[] args)
    {
        Console.WriteLine(42);
        Console.WriteLine(3 + 4);
    }
}

Example

using System;

class Program
{
    static void Main(string[] args)
    {
        Console.Write("Ticket ");
        Console.WriteLine(7);
        Console.Write("Row ");
        Console.WriteLine(12);
    }
}

Key points

  • WriteLine prints a value and ends the line.
  • Write prints a value and stays on the same line.
  • Text prints inside double quotes.
  • Numbers print without quotes.

In this example, Write prints Ticket and stays on the line. WriteLine prints 7 beside it and ends the line. The next pair prints Row 12 the same way.

Note

WriteLine and Write are both methods on Console.

Try it Yourself

Edit the code, then press Run.

Running is simulated · Programiz C# Compiler

Exercise

What does Write do after it prints a value?