What most naturally follows?

How to use graphics in a java applet
Use the drawline method of the graphics class.
The arguments to the method should be, in order, the first x coordinate, the first y coordinate, the second x coordinate, and the second y coordinate. The line will be drawn from the first x and y to the second.
Here is an example : The line will be drawn from (10 , 20) to (50 , 60). Invoke the drawrect method of the graphics class.