import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class JSliderEx extends JFrame{
 JSlider red=new JSlider(JSlider.HORIZONTAL,0,255,0);
 JSlider green=new JSlider(JSlider.HORIZONTAL,0,255,0);
 JSlider blue=new JSlider(JSlider.HORIZONTAL,0,255,0);
 JLabel rgb=new JLabel(\"RGB(0,0,0)\",JLabel.CENTER);
 JPanel p1=new JPanel(new BorderLayout());
 JPanel west=new JPanel(new GridLayout(0,1));
 JPanel cen=new JPanel(new GridLayout(0,1));
 JPanel p2=new JPanel();
 int r,g,b;
 public JSliderEx(){
  super(\"JSlider 테스트\");
  red.setMajorTickSpacing(50);
  red.setMinorTickSpacing(5);
  red.setPaintTicks(true);
  red.setPaintLabels(true);
  green.setMajorTickSpacing(50);
  green.setMinorTickSpacing(5);
  green.setPaintTicks(true);
  green.setPaintLabels(true);
  blue.setMajorTickSpacing(50);
  blue.setMinorTickSpacing(5);
  blue.setPaintTicks(true);
  blue.setPaintLabels(true);
  JLabel rlabel=new JLabel(\"RED\");
  JLabel glabel=new JLabel(\"GREEN\");
  JLabel blabel=new JLabel(\"BLUE\");
  rlabel.setForeground(Color.red);
  glabel.setForeground(Color.green);
  blabel.setForeground(Color.blue);
  rgb.setFont(new Font(\"돋움체\",Font.BOLD,24));
  west.add(rlabel); west.add(glabel); west.add(blabel);
  cen.add(red); cen.add(green); cen.add(blue);
  p1.add(\"West\",west); p1.add(\"Center\",cen);
  add(\"North\",rgb); add(\"South\",p1); add(\"Center\",p2);
  setBounds(300,200,400,300);
  setVisible(true);
  red.addChangeListener(new Sevent());
  green.addChangeListener(new Sevent());
  blue.addChangeListener(new Sevent());
 }
 class Sevent implements ChangeListener{
  public void stateChanged(ChangeEvent e){
   JSlider source=(JSlider)e.getSource();
   if(e.getSource()==red)
    r=source.getValue();
   if(e.getSource()==green)
    g=source.getValue();
   if(e.getSource()==blue)
    b=source.getValue();
   p2.setBackground(new Color(r,g,b));
   rgb.setText(\"RGB(\"+r+\",\"+g+\",\"+b+\")\");
  }
 }
 public void main(String[] str){
  new JSliderEx();
 }
}


당최 물어볼곳도없고 구글이 신이라는데 찾아도알수가없어

뭐 틀린거 있나 하나하나봐도 분명똑같이썼단말이지