TitledBorder.CENTER
import java.awt.Container; import javax.swing.BorderFactory; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.border.TitledBorder; public class MainClass { public static void main(final String args[]) { JFrame frame = new JFrame("Justified Titled Borders"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); TitledBorder centerBorder = BorderFactory.createTitledBorder("Center"); centerBorder.setTitleJustification(TitledBorder.CENTER); JButton centerButton = new JButton(); centerButton.setBorder(centerBorder); Container contentPane = frame.getContentPane(); contentPane.add(centerButton); frame.setSize(300, 200); frame.setVisible(true); } }