// This code example is created for educational purpose
// by Thorsten Thormaehlen (contact: www.thormae.de).
// It is distributed without any warranty.

import java.awt.*;
import java.awt.geom.*;
import java.awt.geom.Line2D;

import javax.swing.*;

class MyGui extends JFrame {
  public void createGUI() {
    setTitle("HelloGUI");
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setSize(1280, 960);
    setVisible(true);
  }
  @Override
  public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g; // cast to Graphics2D
    g2d.scale(10.0, 10.0); // try different scale factors
    g2d.draw(new Rectangle2D.Double(20.75, 45.0, 60.0, 30.00) );
    g2d.fill(new Rectangle2D.Double(67.33, 60.0,  8.0, 15.00) ); 
    g2d.fill(new Rectangle2D.Double(35.00, 55.0, 20.3, 11.00) );
    GeneralPath triangle = new GeneralPath(); 
    triangle.moveTo(10.75, 46.0); // first point
    triangle.lineTo(90.75, 46.0); // move left
    triangle.lineTo(50.75, 10.0); // move to tip
    triangle.closePath();
    g2d.fill(triangle);
  }
}

public class House2D {
  public static void main(String[] args) {
    javax.swing.SwingUtilities.invokeLater(new Runnable() {
      public void run() {
        MyGui myGUI = new MyGui();
        myGUI.createGUI();
      }
    });
  }
}