Java tutorial
import java.awt.BorderLayout; import java.awt.GridBagLayout; import java.awt.GridLayout; import java.net.URL; import javax.swing.ImageIcon; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; public class Main { public static void main(String[] args) throws Exception { ImageIcon icon = new ImageIcon(new URL("http://www.java2s.com/style/download.png")); JLabel iconLabel = new JLabel(icon); JPanel iconPanel = new JPanel(new GridBagLayout()); iconPanel.add(iconLabel); JPanel textPanel = new JPanel(new GridLayout(0, 1)); for (int i = 0; i < 15; i++) { textPanel.add(new JLabel("Hello")); } JPanel mainPanel = new JPanel(new BorderLayout()); mainPanel.add(textPanel); mainPanel.add(iconPanel, BorderLayout.WEST); JOptionPane.showMessageDialog(null, mainPanel, "Center Image Dialog", JOptionPane.PLAIN_MESSAGE); } }