Java tutorial
import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.JSplitPane; public class SwingSplitSample { public static void main(String args[]) { JFrame frame = new JFrame("JSplitPane Sample"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JSplitPane splitPane = new JSplitPane(); splitPane.setOrientation(JSplitPane.HORIZONTAL_SPLIT); frame.getContentPane().add(splitPane, BorderLayout.CENTER); frame.setSize(300, 200); frame.setVisible(true); } }