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

class Test {
 public static void main(String[] args) {
 MyFrame f = new MyFrame();
 }
}

class MyFrame extends JFrame {
 MyFrame() {
 setTitle("MyFrame");
 setSize(400,250);
 makeUI();
 setVisible(true);
}
private void makeUI() {
 JPanel p1 = new JPanel();
 String[] lst = {"One","Two","Three","Four","Five","Six","Seven","Eight","Nine","Ten"};
 p1.add(new JScrollPane(new JList(lst)));
 add(p1, BorderLayout.WEST);
 
 DrawPanel p2 = new DrawPanel();
 add(p2, BorderLayout.CENTER);
 
 JPanel pe = new JPanel();
 pe.setLayout(new BoxLayout(pe, BoxLayout.Y_AXIS));
 add(pe, BorderLayout.EAST);
 
 JPanel p3 = new JPanel();
 p3.setLayout(new GridBagLayout());

 GridBagConstraints c = new GridBagConstraints();

 c.fill = GridBagConstraints.BOTH;
 c.weightx = c.weighty = 1.0;
 
 c.gridx = c.gridy = 0;
 c.gridwidth = c.gridheight = 1;
 p3.add(new JButton("Red"),c);
 
 c.gridx = 0; c. gridy = 1;
 c.gridwidth = c.gridheight = 1;
 p3.add(new JButton("Green"),c);
 
 c.gridx = 1;
 c.gridy = 0;
 c.gridwidth = 1;
 c.gridheight = 2;
 p3.add(new JButton("Blue"),c);
 pe.add(p3);
 

 /*
 pe.add(new JScrollPane(new JTextArea(5,10),JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
  JScorollPane.HORIZONTAL_SCROLLBAR_ALWAYS));
 */
 JPanel p5 = new JPanel();
 JLabel lb = new JLabel("Good, Luck!");
 
 p5.add(lb);
 pe.add(p5);
 
 
 }
}

class DrawPanel extends JPanel {
 public void paintComponent(Graphics g) {
 g.drawOval(50,50,50,50);
 
 
 }
}


위 그림처럼 만드는 건데 거의 다 만들었거든요 그런데 저기 TextArea 스크롤바 만드는 부분을 잘 모르겠어요 저기서 에러가 나요..
그리고 마지막에 JLabel 출력하는건데 색 입히는거랑 오른쪽 끝에 붙이는 방법을 모르겠어요.. ㅠㅠ