code 109.txt

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

public class JFrameWithExplicitContentPane extends JFrame {
	
	private Container container1 = getContentPane();
	private JButton btnThisButton = new JButton("Click Here");

	// if you wanted to define your own colour ? 

	// Color someColor = new Color(r, g, b);

	Color someColor = new Color(255, 255, 255);
	// Color someColor = new Color(r, g, b, transparency); // value from 0.0 to 1.0 //0.0 transparent 1.0 opaque
	
	public JFrameWithExplicitContentPane() {
		setSize(250, 300);
		container1.setLayout(new FlowLayout());
		container1.add(btnThisButton);

		container1.setBackground(Color.YELLOW); //Page 795 for other color constants

		btnThisButton.setBackground(Color.RED);
		btnThisButton.setForeground(Color.WHITE);
	}
}
//********************************************************************************************
public class UsePanes1
	public static void main(String[] args){
		JFrameWithExplicitContentPane frMain = new JFrameWithExplicitContentPane();
		frmMain.setVisible(true);
	}
}