DiveLog program does not compile.

Hi there.
The DiveLog.java program from the step-by-step programming does not work when I tried to compile.
I got the following error messages:
divelog.java:63: cannot find symbol
symbol : class Welcome
location: class divelog.DiveLog
new Welcome(),
^
divelog.java:69: cannot find symbol
symbol : class Diver
location: class divelog.DiveLog
new Diver(),
^
divelog.java:74: cannot find symbol
symbol : class Dives
location: class divelog.DiveLog
new Dives(),
^
divelog.java:79: cannot find symbol
symbol : class Statistics
location: class divelog.DiveLog
new Statistics(),
^
divelog.java:84: cannot find symbol
symbol : class WebSite
location: class divelog.DiveLog
new WebSite(),
^
divelog.java:88: cannot find symbol
symbol : class Resources
location: class divelog.DiveLog
new Resources(),
^
6 errors
Please tell me what is wrong with the code. What should I do to correct the errors?
Ernest Efienamokwu

Some of these threads probably describe the problem you have, and provide possible solutions.
An error in the forum software is inserting spaces where they don't belong,
here subCat=sitef orumid
and
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Remove them to use the link.
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