import java.awt.Color; import javax.swing.JTextPane; import javax.swing.text.DefaultStyledDocument; import javax.swing.text.Style; import javax.swing.text.StyleConstants; import javax.swing.text.StyleContext; public class Main { public static void main(String[] argv) throws Exception { JTextPane c1 = new JTextPane(); JTextPane c2 = new JTextPane(); StyleContext styleContext = new StyleContext(); c1.setDocument(new DefaultStyledDocument(styleContext)); c2.setDocument(new DefaultStyledDocument(styleContext)); Style style = c1.addStyle("style name", null); StyleConstants.setForeground(style, Color.red); style = c2.getStyle("style name"); StyleConstants.setBold(style, true); } }