阅读下列程序,请写出该程序的功能。import java.awt.*;import javax.swing.*;public class Cla
阅读下列程序,请写出该程序的功能。
import java.awt.*;
import javax.swing.*;
public class Class33
{public static void main(String[] args)throws Exception
{
JFrameframe=new JFrame("调制颜色");
JPanelpColor=new JPanel();
JLabellColor=new JLabel("0,0,0");
pColor.setBackground(new Color(0,0,0);
JScrollBar sRed=new JScrollBar(JScrollBar.HORIZONTAL,0,1,0,
256);
JScrollBar sGreen=new JScrollBar(JScrollBar.HORIZONTAL,0,1,
0,256);
JScrolIBarsBule=new JScrollBar(JScrollBar.HORIZONTAL,0,1,0,
256);
frame.setLayout(new GridLayout(5,1));
frame.add(pColor);
frame.add(lColor);
frame.add(sRed);frame.add(sGreen);
frame.add(sBule);
frame.pack();
frame.setVisible(true);
Color col;
int nRed,nGreen,nBule;
while(true)
}
nRed=sRed.getValue();
nGreen=sGreen.getValue();
nBule=sBule.getValue();
col=new Color(nRed,n(nGreen,nBule);
pColor.setBackground(col);
lColor.setText(nRed+","+nGreen+","+nBule);
Thread.sleep(100);
}
}
}