How to Write Programs in Notepad

This wikiHow teaches you how to use your Windows computer’s Notepad text editor to write programs. To proceed, you need to enter the program’s code into Notepad line by line and then save the file in the appropriate programming language format.

Table of Contents

Some general advice

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Understand the limitations of Notepad. Technically, we can write and launch a program in Notepad using any available programming language, but for the program to run, the file must be saved in the correct format.

By default, all Notepad files will be saved as text documents.

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Find and open Notepad. The easiest way to open Notepad is to click Start

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, type notepad , and then select the Notepad icon at the top of the Start window.

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Define programming language. Notepad doesn’t restrict any languages, but you need to use one language throughout the document to maintain consistency.

If you don’t know anything about programming languages, you can try one of the examples in this article.

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Press ↵ Enter after you complete the line of code. Like most code editors, you need to add new lines of code to Notepad.

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Close any opening brackets. Every time you open a brace (such as { or [ ), you must close it with the same mark on the opposite side to complete the line of code and not cause an error.

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Consider using a dedicated code editor. While you can write almost any program in Notepad, it’s not necessarily the easiest way. Because Notepad doesn’t have any text highlighting or indenting options, it can be a bit difficult to write large pieces of code.

Notepad++ is a great free option for programming.

Create a program

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Open Notepad. How to create and save the program will depend on the programming language you use.

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Enter the program code. You need to make sure that the language you are using is consistent throughout the document.

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Click File . This option is in the upper-left corner of the Notepad window. A drop-down menu will appear.

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Click Save As… . This option is near the top of the drop-down menu. The “Save” window will open.

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Select a save location. Click a folder (e.g. Desktop ) on the left side of the “Save” window to choose as the destination for the program.

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Click the “Save as type” box. This pane is near the bottom of the “Save” window. A menu will drop down.

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Click the All Files category in the drop-down menu. This option will allow you to save the Notepad file as any type of program.

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Enter a name for the program. Click in the “File name” data field and enter the name you want to give the program.

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Add the program’s extension to the name. It doesn’t matter what the program name is, you still have to add a period and the programming language extension after the name to save the program properly. Popular programming languages with extensions include:

Batch (BAT) – .bat
HTML – .htm
Python – .py
C++ – .cpp
For example, to save a batch file with the name “duahau”, enter duahau.bat in the “File name” field.

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Click Save in the lower-right corner of the window. The program will be saved in the format you choose. You can launch it by double-clicking on the file, or sometimes you’ll need to select a program to open.

Create a basic BAT program

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Open Notepad. You can create a program that opens another program on your computer by using batch scripting (BAT).

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Enter the filename into the Command Prompt. Type cmd.exe into Notepad.

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Save the program . You need to make sure you use the .bat extension when you save the program.

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Double-click the BAT file. A new Command Prompt window will open.

Create a basic HTML program

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Open Notepad. Especially, if you are designing websites then HTML is a great language to use.

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Specify that you will use HTML. Type <!DOCTYPE html> into Notepad and press ↵ Enter .

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Add HTML tags. You type <html> into Notepad and then press ↵ Enter .

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Set up body text. Type <body> into Notepad and then press ↵ Enter . This line specifies that the next section of the document will contain information (in this example, text).

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Add a page title. Type <h1>Text</h1> into Notepad and press ↵ Enter , remembering to replace “Text” with what you want the page title to be.

For example, to create a page with the title “Hello!”, you would type <h1>Xin chao!</h1> into Notepad.

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Add text to the page. Type <p>text</p> into Notepad and then press ↵ Enter . Don’t forget to replace “text” with your own text.

For example, when you type <p>Hom nay ban khoe khong?</p> into Notepad, the sentence “How were you today?” will appear below the title.

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Close the content section. Type </body> into Notepad, then press ↵ Enter .

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Specify the end of the HTML code. You enter </html> into Notepad.

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Review the program’s code. The code will look similar to this:

<!DOCTYPE html>
<html>
<body>
<h1>Xin chao!</h1>
<p>Hom nay ban khoe khong?</p>
</body>
</html>

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Save the program . You need to make sure you use the .htm extension when saving.

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Double-click the HTML file. This usually opens the program in the default web browser, or sometimes you need to select the program first. The title and body text will appear.

Creating a Basic Python Program

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Open Notepad. By using the “print” command on Python, any text can be displayed.

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Enter the command “print”. Type print(" into Notepad. Make sure there are no spaces.

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Add display text. Please enter Hello! into Notepad.

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Close the “print” command. Type ") into Notepad to close the command.

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Review your code. The code will look similar to this:

print("Xin chao!")

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Save the program . Make sure you use the .py extension. You should now be able to open the program with your usual Python editor.

Creating Basic C++ Programs

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Open Notepad. We’ll use Notepad to create a basic C++ program that displays the text “Hello everyone!” at launch.

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Add a title to the program. Enter // along with the title of the program (eg “Program 1”). Anything entered on the same line followed by two slashes will also display as plain text, but this is not part of the program.

For example, to set the title “Program 1” for the program, you type //Chuong trinh 1 into Notepad.

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Enter the preprocessor command. Type # include <iostream> into Notepad and press ↵ Enter . This command instructs C++ to launch the next lines of code as a program.

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Declare the function of the program. Type int main () into Notepad, then press ↵ Enter .

Advice

C++ and HTML are the two most commonly used programming languages.
You can use any programming language to write most programs, however some languages may be better suited for specific features (for example, HTML is ideal for creating webpage).

Warning

Always test your code before saving. If you save a corrupted program, it may cause the default assembler to fail.

Steps