i havent figured it out

Copy and paste it into notepad and save as a .jar file

I am very thankful

Taken from Ultimate Help Guide:

 

For plain text, like this:

public class SherlockC extends Script {
public void onStart() {
     }
}

1. Simply copy all of the text in the box by highlighting it all and then right clicking the highlighted text > Copy. 
2. Then, open your Start menu > All programs > Accessories > Notepad.
3. Once notepad is open, paste the code in the notepad file by right clicking in it > Paste.
4. Then, go to file on the top right > Save As...
5. Now, before you give a name to the Java file, first go to the bottom drop down box and select "All files". 
6. Next, save it as whatever was specified in the thread (will usually be the name of the bot) and then add .java immediately at the end of it. For example, if my script that I was saving was called SherlockC, I would write this: 
7. And finally, browse to C:\Users\yourusername\OSBot\scripts in the save window and hit save.