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import java.awt.Color;
import java.awt.Graphics;
import javax.swing.JComponent;
import javax.swing.JFrame;
class MyCanvas extends JComponent {
Color[] colors = new Color[24];
public MyCanvas() {
int rgb = 0xff;
for (int i = 0; i < 24; i++) {
colors[i] = new Color(rgb);
rgb <<= 1;
if ((rgb & 0x1000000) != 0) {
rgb |= 1;
rgb &= 0xffffff;
}
}
}
public void paint(Graphics g) {
int i = 10;
for (Color c : colors) {
g.setColor(c);
i += 10;
g.drawLine(i, 10, 200, 200);
}
}
}
public class DrawLine {
public static void main(String[] a) {
JFrame window = new JFrame();
window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
window.setBounds(30, 30, 300, 300);
window.getContentPane().add(new MyCanvas());
window.setVisible(true);
}
}
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