A style can have multiple attributes; this one makes text bold and italic
import java.awt.Color; import javax.swing.JTextPane; import javax.swing.text.Style; import javax.swing.text.StyleConstants; import javax.swing.text.StyledDocument; public class Main { public static void main(String[] argv) throws Exception { JTextPane textPane = new JTextPane(); StyledDocument doc = textPane.getStyledDocument(); // A style can have multiple attributes; this one makes text bold and italic Style style = textPane.addStyle("Bold Italic", null); StyleConstants.setBold(style, true); StyleConstants.setItalic(style, true); } }