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)

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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.