Java tutorial
import java.awt.Dimension; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; public class Main { public static void main(String[] args) { JFrame dialog = new JFrame(); dialog.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); dialog.setResizable(true); JPanel guiHolder = new JPanel(); guiHolder.setLayout(new GridBagLayout()); GridBagConstraints gbc = new GridBagConstraints(); gbc.gridx = 0; gbc.gridy = 0; gbc.anchor = GridBagConstraints.PAGE_START; gbc.weightx = 1.0; gbc.weighty = 1.0; guiHolder.add(new JLabel("my test"), gbc); dialog.add(guiHolder); dialog.setSize(new Dimension(320, 240)); dialog.setVisible(true); } }