import java.awt.*;
import java.applet.Applet;

public class HouseDemo extends Applet {

    public void paint(Graphics g) {
        drawHouse(g, 50, 50, 70, 30);
        drawHouse(g, 100, 50, 60, 20);
    }

    private void drawTriangle(Graphics g, int bottomX, int bottomY,
                            int base, int height) {
        g.drawLine(bottomX, bottomY, bottomX + base, bottomY);
        g.drawLine(bottomX + base, bottomY, bottomX + base / 2, bottomY - height);
        g.drawLine(bottomX + base / 2, bottomY - height, bottomX, bottomY);
    }

    private void drawHouse(Graphics g, int bottomX, int bottomY,
                            int width, int height) {
        g.drawRect(bottomX, bottomY - height, width, height);
        drawTriangle(g, bottomX, bottomY - height, width, height / 2);
    }
}