Consider the following test code placed in the test class within the main$()$ method.

Your task is to write a Java class Box so that the expected output is produced when

the provided code snippet is executed.

Note: Be aware that there are two empty spaces at the start of some output lines.

Example input and output

Input Output

int width $=24$;

int height $=25$;

int depth $=63$;

String builder $=$ "Henry $"$;

Box a $=$ new Box$($width$,$ height, depth$)$;

System.out.println$($a$.$printMe$())$;

Box b $=$ new Box$($width$,$ height, depth, builder$)$;

System.out.println$($b$.$printMe$())$; Box built.

Width: $24$

Height: $25$

Depth: $63$

Built by null

Box built.

Width: $24$

Height: $25$

Depth: $63$

Built by Henry