수다닷컴

import java.applet.*;
import java.awt.*;
import java.awt.event.*;

public class HomeworkJava extends Applet implements ActionListener
{
Choice drawChoice, drawChoice2;
Label xLabel, yLabel, widthLabel, heightLabel;
TextField xTextField, yTextField, widthTextField, heightTextField;
Checkbox raisedCheckbox;
Button drawButton;

public void init()
{
drawChoice= new Choice();
drawChoice.addItem(빈원);
drawChoice.addItem(채워진 원);
drawChoice.addItem(빈 사각형);
drawChoice.addItem(채워진 사각형);
add(drawChoice);
drawChoice2= new Choice();
drawChoice2.addItem(빨강);
drawChoice2.addItem(노랑);
drawChoice2.addItem(파랑);
drawChoice2.addItem(초록);
add(drawChoice2);

xLabel= new Label(x:);
add(xLabel);
xTextField= new TextField(0, 3);
add(xTextField);

yLabel= new Label(y:);
add(yLabel);
yTextField= new TextField(0, 3);
add(yTextField);

widthLabel= new Label(width:);
add(widthLabel);
widthTextField= new TextField(0, 3);
add(widthTextField);

heightLabel= new Label(height:);
add(heightLabel);
heightTextField= new TextField(0, 3);
add(heightTextField);

raisedCheckbox= new Checkbox(raised, true);
add(raisedCheckbox);

drawButton= new Button(그리기);
drawButton.addActionListener(this);
add(drawButton);
}

public void update(Graphics g)
{
int x= Integer.valueOf(xTextField.getText()).intValue();
int y= Integer.valueOf(yTextField.getText()).intValue();
int width= Integer.valueOf(widthTextField.getText()).intValue();
int height= Integer.valueOf(heightTextField.getText()).intValue();
boolean raised= raisedCheckbox.getState();

//색상선정
if(drawChoice2.getSelectedIndex()==0)
{
//빨강
g.setColor(Color.red);
}
if(drawChoice2.getSelectedIndex()==1)
{
//노랑
g.setColor(Color.yellow);
}
if(drawChoice2.getSelectedIndex()==2)
{
//파랑
g.setColor(Color.blue);
}
if(drawChoice2.getSelectedIndex()==3)
{
//초록
g.setColor(Color.green);
}

//도형선정
if(drawChoice.getSelectedIndex()==2){
g.draw3DRect(x, y, width, height, raised);
}
if(drawChoice.getSelectedIndex()==3){
g.draw3DRect(x, y, width, height, raised);
}
if(drawChoice.getSelectedIndex()==0){
g.drawOval(x, y, width, height);
}
if(drawChoice.getSelectedIndex()==1){
g.fillOval(x, y, width, height);
}}

public void actionPerformed(ActionEvent e)
{
if(e.getSource()==drawButton){
repaint();
}
}
}

이렇게 도형을 짰는데요,,, 도형 크기하고 방향 변경을 하면 프로그램이 계속 오류가 나네요,,

방법좀 알려주세요..

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