Edit-Compile-Test on Windows in T-411

Summary

Make a new sub-directory from the home directory.
Edit using Notepad.
Compile at the command-line.
Execute at the command-line.

Make a new subdirectory (folder)

Step 1: Open the T: drive by going to "My Computer"
Step 2: Make a new folder with the desired name, e.g., testfolder:

Edit using Notepad

Step 1: Fire up Notepad
start → Accessories → Notepad
(Sometimes Accessories is a folder on the desktop)
This should bring up Notepad:
Step 2: Now type in (or edit) the text for the program:
Step 3: Use Save as... and save the file as HelloWorld.java in the desired folder: (You may need to click on "My Computer" on the left to see the drive.)
Important: the filename is case-sensitive.

Compile at the command-line

Step 1: Go to start → Run and type in cmd:
Step 2: In the command-prompt window, use the cd command to navigate to the desired folder:
Step 3: Now list the files in there by typing dir and you should see HelloWorld.java:
Step 4: Next, compile the Java program by typing javac HelloWorld.java
You will note that nothing appears to happen
=> Later, we will learn that this is a good thing (no errors reported)

Execute the program at the command-line

Execute the program by typing java HelloWorld at the command-prompt: