how to set texts in text-area at different font and size?

Im in designing a Simple text editor in which I have to change text colors of difnt wolrds like 'for','while','if','else' etc. I also want to change size of text . How it is possible . thans in advance.(Please send proper/possoble reasons for f开发者_运维百科ailure of such a things in JAVA)

You might want to start with JEditorPane.

If you've no idea where to start, then the best thing to do would be to read the Swing text component tutorial.