change specific text color in java

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梦毁少年i

i am wondering how can i change a specific text color in a sentence?

lets say HELLO WORLD...i wanted to change the WORLD into red color without altering the font color

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2021-01-24 08:03

Have a look at this this from the Oracle documentation on text components. A JTextArea will accept styling, but it will always apply styling across its entire contents. However, if you were to use a JTextPane, you could create any styling you wanted in your text using HTML.

Code to back up assertion:

import javax.swing.JFrame;
import javax.swing.JTextPane;
import javax.swing.text.html.HTMLEditorKit;

public class StyleTestApp {
    public static void main(final String[] args) {
        final JFrame f = new JFrame("test");
        //f.getContentPane().add(new JTextArea("<html>HELLO <font size=\"3\" face=\"verdana\" color=\"red\">WORLD</font></html>"));
        final JTextPane p = new JTextPane();
        // the HTMLEditorKit is not enabled by default in the JTextPane class.
        p.setEditorKit(new HTMLEditorKit());
        p.setText("<html>HELLO <font size=\"3\" face=\"verdana\" color=\"red\">WORLD</font></html>");
        f.getContentPane().add(p);
        f.pack();
        f.setVisible(true);
    }
}

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