All you need to do is open an online editor and code away! Which is exactly what we’re going to do here. How to write your first Java program. The first non-trivial Java program I ever wrote was a ...

Now, open the Command Prompt and run it as administrator. We will make use of the ‘cd’ command to change the operating directory on the Command Prompt to the one where your Java program is stored.

However, there are applications and web pages that require users to run Java programs, ... Microsoft Edit command-line text editor for Windows. June 22, 2025.