package com.han;

import java.awt.Color;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Graphics;

import javax.swing.JButton;
import javax.swing.JFrame;

public class Graphics_1 extends JFrame {

    /**
     * 
     */
    private static final long serialVersionUID = -5861565474703590207L;

    JButton button = new JButton("JButton");
    Container container;
    public Graphics_1() {
        // TODO Auto-generated constructor stub
        container = getContentPane();
        container.setLayout(new FlowLayout());
        container.add(button);
    }
    
    void paintJButton() {
        

        /*
         * Creates a graphics context for Container (you can also try it for
         * JFrame)
         */
        Graphics g = container.getGraphics();
        g.setColor(Color.BLACK);

        /*
         * Draws a line, using the current color, between the points (x1, y1)
         * and (x2, y2) in this graphics context's coordinate system.
         */
        g.drawLine(5, 5, 15, 5);
        System.out.println("here");

    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        final Graphics_1 frame = new Graphics_1();
        frame.setTitle("Painting figures on the JButton");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setBounds(100, 100, 300, 200);
        frame.setVisible(true);    
        try {
            Thread.sleep(100); // Thread.sleep(20); does not work !
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    
        frame.paintJButton();
    }

}