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Not sure what's on the exam

 
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Hi guys! I've been doing some mock exams from whizlabs and noticed that sometimes they use classes and methods that weren't in K&B book. For example class Formatter. Is there something that Kathy and Bert could've missed or K&B is the only book I need? Thanks.
 
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K&B is enough for the exam. No need to worry about other classes you might come across in simulators such as Whizlabs.
 
John Johnson
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Thank you. I'm relieved!
 
arch rival
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The Formatter class is explicitly mentioned in the Objectives for the exam

I have just copied the following text from the Sun Objectives

"For streams, write code using the Formatter and Scanner classes and the PrintWriter.format/printf methods. Recognize and use formatting parameters (limited to: %b, %c, %d, %f, %s) in format strings."

http://www.sun.com/training/catalog/courses/CX-310-055.xml
 
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There were a few disconnects between the time of creating the objectives and the time of creating the exam. Another example is that not all of the I/O classes listed in the objectives actually made it to the exam.
 
Greenhorn
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It sounds like the Formatter class is not covered on the exam - except indirectly, perhaps. Here is a quote from K&B, p. 489:

Behind the scenes, the format() method uses the java.util.Formatter class to do the heavy formatting work. You can use the Formatter class directly if you choose, but for the exam all you have to know is the basic syntax of the arguments you pass to the format() method. The documentation for these formatting arguments can be found in the Formatter API.

 
John Johnson
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Another interesting class that I've met was FilenameFilter. But I guess I don't have to worry about it.
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