RECURSION - Introduction to Java Programming: Comprehensive Version - page 736

(a) (b) (c) (d)

F IGURE 18.19

A Hilbert curve with the specified order is drawn.

**18.38

( Recursive tree ) Write a program to display a recursive tree as shown in
Figure 18.20.

VideoNote
Recursive tree

(a) (b) (c) (d)

F IGURE 18.20

A recursive tree with the specified depth is drawn.

**18.39

( Dragging the tree ) Revise Programming Exercise 18.38 to move the tree to
where the mouse is dragged.