Chapter 2, page 19, below figure 2-1:

Last sentence in second bullet point should read "The Email method returns a string value." instead of "The Age method returns an integer value."

Chapter 8, page 203, Java code, near foot of page

Should be:

rClient.close();
instead of 
aClient.close();

Chapter 7, page 185, C# code

Should be:

ObjectSet results = db.Get(managerExample);
instead of 
results = db.Get(managerExample);

Chapter 7, page 185, Java code

Should be:

ObjectSet results = db.get(managerExample);
instead of 
results = db.get(managerExample);

Chapter 8, page 213, single line of Java code

Should be:

ServerRegistry sr = ServerRegistry.getInstance();
instead of 
ServerRegistry sr = ServerRegistry.GetInstance();

Chapter 9, page 233, Java code, 4th and 5th lines

Lines should end with:

).next();
instead of 
).Next();

Chapter 9, page 246, Java code, first line

Should be: 

ObjectLock objectLock = new ObjectLock();