How to Build a Notepad File in Java. ... Save your project. When you run your Java program, it will create a text file you can open in Notepad. Advertisement. Article continues below this ad.

First things first, you will have to write the code that you want to run and save that as a Java executable file. For this purpose, you can use either MS Word or Notepad.

Windows' Save As dialog can be a little annoying. If you want to use a certain file extension, you have to pick it from a long list, and sometimes it isn't even available in that list. Reader Java ...