كود يطبع الالوان بالجافا

كود لطباعة الالوان

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

//start class
class chat extends JFrame{

	boolean boldflage;
	boolean italicflage;
	int green;
	int blue;
	int red;
	JButton b1=new JButton("Red");
	JButton b2=new JButton("Green");
	JButton b3=new JButton("Blue");
	JButton b4=new JButton("Black");
	JPanel button=new JPanel(new GridLayout(5,1));

	Container c= getContentPane();
	JTextArea ta=new JTextArea();
	JScrollPane sp=new JScrollPane(ta);

	JScrollBar sb1=new JScrollBar(JScrollBar.HORIZONTAL,40,15,0,270);
	JScrollBar sb2=new JScrollBar(JScrollBar.HORIZONTAL,40,15,0,270);
	JScrollBar sb3=new JScrollBar(JScrollBar.HORIZONTAL,40,15,0,270);
	JPanel sbar=new JPanel(new GridLayout(3,1));


	JToolBar jtb=new JToolBar();
	JPanel toollbar=new JPanel();

    
	chat(){
	button.add(b1);
	b1.addActionListener(new ActionListener(){
  public void actionPerformed(ActionEvent AE){
 	 ta.setBackground(Color.red);
 	 }
 	 });
	button.add(b2);
	b2.addActionListener(new ActionListener(){
  public void actionPerformed(ActionEvent AE){
 	 ta.setBackground(Color.green);
 	 }
 	 });
	button.add(b3);
	b3.addActionListener(new ActionListener(){
  public void actionPerformed(ActionEvent AE){
 	 ta.setBackground(Color.blue);
 	 }
 	 });
	button.add(b4);
	b4.addActionListener(new ActionListener(){
  public void actionPerformed(ActionEvent AE){
 	 ta.setBackground(Color.black);
 	 }
 	 });


	sb1.addAdjustmentListener(new AdjustmentListener(){
  public void adjustmentValueChanged(AdjustmentEvent e){
 	 green=e.getValue();
 	 ta.setBackground(new Color(green,red,blue));
 	 colorChange();
 	 }
  });
	sb2.addAdjustmentListener(new AdjustmentListener(){
  public void adjustmentValueChanged(AdjustmentEvent e){
 	 red=e.getValue();
 	 ta.setBackground(new Color(green,red,blue));
 	 colorChange();
 	 }
  });
	sb3.addAdjustmentListener(new AdjustmentListener(){
  public void adjustmentValueChanged(AdjustmentEvent e){
 	 blue=e.getValue();
 	 ta.setBackground(new Color(green,red,blue));
 	 colorChange();
 	 }
  });
////////////////////////////////////

/////////////////////////////////////// 	 

	sbar.add(sb1);
	sbar.add(sb2);
	sbar.add(sb3);
    toollbar.add(jtb);
   

	c.add(BorderLayout.SOUTH,sbar);
	c.add(BorderLayout.EAST,button);
	c.add(BorderLayout.CENTER,sp);
	c.add(BorderLayout.NORTH,jtb);

	pack();
	setVisible(true);
	setSize(200,250);
	setTitle("Ashraf Elsheikh");	
        }
        
        public static void main(String[]args){
       	 new chat();
       	 
       	 }
       	 public void colorChange(){
          if((green+blue+red)>=350)
          ta.setForeground(Color.black);
          else
          ta.setForeground(Color.white);
          }
       	 
	}

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