JTextArea或JTextPane设置突出显示的文本颜色

Question

I am trying to change the color of a the highlight in either TextArea or TextPane or even any others.

Note that I am looking for changing the color of:

And not the text.

I have also took a look at the JTextArea 's setHighlighter() function but it seems that I will need to input an anonymous Highlighter class which I have absolutely no idea how to implement all the overrides.

jta.setHighlighter(new Highlighter() {
    @Override
    public void removeHighlight(Object tag) {
        // TODO Auto-generated method stub

    }
    @Override
    public void removeAllHighlights() {
        // TODO Auto-generated method stub

    }
    @Override
    public void paint(Graphics g) {
        // TODO Auto-generated method stub

    }
    @Override
    public void install(JTextComponent c) {
        // TODO Auto-generated method stub

    }
    @Override
    public Highlight[] getHighlights() {
        // TODO Auto-generated method stub
        return null;
    }
    @Override
    public void deinstall(JTextComponent c) {
        // TODO Auto-generated method stub

    }
    @Override
    public void changeHighlight(Object tag, int p0, int p1)
            throws BadLocationException {
        // TODO Auto-generated method stub

    }
    @Override
    public Object addHighlight(int p0, int p1, HighlightPainter p)
            throws BadLocationException {
        // TODO Auto-generated method stub
        return null;
    }
});

Answer 1

If you mean the "normal" highlight color (when you drag your mouse over the text), this can simply be achieved by

textArea.setSelectionColor(Color.LIGHT_GRAY);

(or whatever color you want it to have.)

If you want to programmatically highlight a character sequence in your text area:

String searchedWord = "word";
int pos1 = textArea.getText().indexOf(searchedWord);
int pos2 = pos1 + searchedWord.length();
try {
    textArea.getHighlighter().addHighlight(pos1, pos2,
            new DefaultHighlighter.DefaultHighlightPainter(Color.LIGHT_GRAY));
} catch (BadLocationException e) {
    e.printStackTrace();
}

(The same works for a JTextPane too)