Drawing rectangles is simple. Start with a `Graphics`

object `g`

and call its `drawRect()`

method:

`public void drawRect(int x, int y, int width, int height)`

As the variable names suggest, the first `int`

is the
left hand side of the rectangle, the second is the top of the
rectangle, the third is the width and the fourth is the height.
This is in contrast to some APIs where the four sides of the
rectangle are given.

This uses `drawRect()`

to draw a rectangle around the
sides of an applet.

```
import java.applet.*;
import java.awt.*;
public class RectangleApplet extends Applet {
public void paint(Graphics g) {
g.drawRect(0, 0, this.getSize().width - 1, this.getSize().height - 1);
}
}
```

Remember that `getSize().width`

is the width of the
applet and `getSize().height`

is its height.

Why was the rectangle drawn only to `getSize().height-1`

and `getSize().width-1`

?

Remember that the upper left hand corner of the applet starts at (0, 0), not at (1, 1). This means that a 100 by 200 pixel applet includes the points with x coordinates between 0 and 99, not between 0 and 100. Similarly the y coordinates are between 0 and 199 inclusive, not 0 and 200.

There is no separate `drawSquare()`

method. A square
is just a rectangle with equal length sides, so to draw a square
call `drawRect()`

and pass the same number for both the
`height`

and `width`

arguments.