Java tutorial
import java.awt.GridBagLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.WindowConstants; public class Main { JFrame frame = new JFrame("Test"); JPanel panel = new JPanel(); JButton subscribe = new JButton("Subscribe"); JButton unsubscribe = new JButton("Unsubscribe"); JButton refresh = new JButton("Refresh"); JButton save = new JButton("Save"); public Main() { panel.setLayout(new GridBagLayout()); panel.add(subscribe); panel.add(unsubscribe); panel.add(refresh); panel.add(save); frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); frame.add(panel); frame.pack(); frame.setVisible(true); } public static void main(String[] args) { new Main(); } }