Java tutorial
import java.awt.GridBagLayout; import javax.swing.BorderFactory; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.WindowConstants; public class Main { public static void main(String[] args) { JFrame frame = new JFrame("Test"); JPanel panel = new JPanel(); JLabel label = new JLabel("CenteredJLabel"); panel.setLayout(new GridBagLayout()); panel.add(label); panel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10)); frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); frame.add(panel); frame.setSize(400, 300); frame.setVisible(true); } }