Italicize the entire paragraph containing the position 12
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(); // Italicize the entire paragraph containing the position 12 doc.setParagraphAttributes(12, 1, textPane.getStyle("Italic"), true); } }