import javax.swing.*;
import java.awt.BorderLayout;

public class JSplitPaneTest3 extends JFrame{

  public static void main(String[] args){
    JSplitPaneTest3 frame = new JSplitPaneTest3();

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setBounds(10, 10, 300, 200);
    frame.setTitle("ƒ^ƒCƒgƒ‹");
    frame.setVisible(true);
  }

  JSplitPaneTest3(){
    JSplitPane splitpane = new JSplitPane();

    JPanel leftPanel = new JPanel();
    leftPanel.add(new JButton("button1"));

    JPanel rightPanel = new JPanel();
    rightPanel.add(new JLabel("Name:"));
    rightPanel.add(new JTextField("", 10));

    splitpane.setLeftComponent(leftPanel);
    splitpane.setRightComponent(rightPanel);

    getContentPane().add(splitpane, BorderLayout.CENTER);
  }