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Learn C# Fundamentals

Console I/O

Understand the fundamentals of console input and output in C#. Learn to use Console.Write and Console.WriteLine for output, Console.ReadLine for input, and how to apply string interpolation. Explore methods to convert input strings to other data types for flexible data handling.

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Console output

We’ve already worked with console input and output and written several statements that print to the console. This lesson provides several exercises for us to consolidate this knowledge.

There are essentially two methods that are most important if we need to output to the console:

  • The Console.Write() method prints to the console and keeps the cursor on the same line.
  • The Console.WriteLine() method prints to the console and moves the cursor to the next line.

To understand this difference more clearly, let’s consult the following code snippets:

C#
using System;
class Program
{
    static void Main()
    {
        // Because the cursor stays on the same line, 
        // we have the text printed on the same line
        Console.Write("Hello");
        Console.Write("World");
    }
}

As we can see, despite the fact that ...