謝孜妤java程式設計

import java.awt.*;
import java.awt.geom.Line2D;
import javax.swing.*;
public class Options {
    public static void main(String[] args) {
        JFrame frame = new JFrame("謝孜妤Java繪製選擇權到期日損益");
        Container cp = frame.getContentPane();
        cp.add(new JComponent() {
            public void paintComponent(Graphics g) {
                Graphics2D g2 = (Graphics2D) g;
                g2.setStroke(new BasicStroke(2));//stroke中風,筆觸
                g2.setFont(new Font("monospaced", Font.BOLD|Font.ITALIC , 30));
                g2.setColor(Color.black);
                g2.drawString("買入賣權到期日損益",0,120);
                g2.draw(new Line2D.Float(0, 0, 100, 100));
                g2.draw(new Line2D.Float(100, 100, 200, 100));
                g2.drawString("買入買權到期日損益",300,120);
                g2.draw(new Line2D.Float(300, 100, 400, 100));
                g2.draw(new Line2D.Float(400, 100, 500, 0));
                g2.drawString("賣出賣權到期日損益",0,180);
                g2.draw(new Line2D.Float(0, 300, 100, 200));
                g2.draw(new Line2D.Float(100, 200, 200, 200));
                g2.drawString("賣出買權到期日損益",300,180);
                g2.draw(new Line2D.Float(300, 200, 400, 200));
                g2.draw(new Line2D.Float(400, 200, 500, 300));
                g2.drawString("謝孜妤",200,300);
                g2.setColor(Color.blue);
            }
        });
        frame.setSize(550, 350);
        frame.setVisible(true);
    }
}