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Page 1 of 4 Sun certification exams are highly sought for, credible, and skill-focused assessments, hence valued and trusted by employers worldwide.
To appear for most of the higher level certifications in Java, the required starting point is the Sun Certified Java Programmer (SCJP) exam. The revised version of the exam, which covers Java 5.0, was released in April 2005.
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Certification Preparation Kits by Whizlabs – SCJA, SCJP, SCWCD,
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The Sun Certified Programmer for Java 2 Platform 5.0 certification exam
is targeted at programmers experienced in using the Java programming
language.
Achieving this certification provides a clear evidence that a
programmer understands the basic syntax and structure of the Java
programming language and can create Java technology applications that
run on server and desktop systems using J2SE 5.0.
The details of the new exam are as follows.
| Exam Number: |
CX-310-055 |
| Price |
$150.00 |
| Prerequisites: |
None |
| Exam type: |
Multiple choice and drag and drop |
| Number of questions: |
72 |
| Passing score: |
59% (43 of 72 questions) |
| Time limit: |
175 minutes |
What has changed and what has not?
Let us now have a look at the objectives of the new exam and find out how much has been added to the old exam objectives and what all has been removed.
Following are the main exam objectives for the SCJP 5.0 exam:
- Declarations, Initialization and Scoping
- Flow Control
- API Contents
- Concurrency
- OO Concepts
- Collections/Generics
- Fundamentals
You can find a more detailed list covering the sub-objectives of the new exam objectives here .
Among the new language features introduced in the version 5.0 of Java, the following have been included in the exam.
- Enumerations
- Generics
- Static Imports
- Variable-argument lists (VarArgs)
- Autoboxing and Unboxing
- Enhanced for loop (for-each)
- Covariant returns
You are also required to know the Formatter, Scanner, Queue, and StringBuilder classes that have been newly added to Java 5.0.
Other additions to the exam, which are not new to Java 5.0 are:
- Serialization
- I/O Stream classes
- NumberFormat, DateFormat, Locale
- Pattern and Matcher classes, String.split() method
- PrintWriter.format/printf methods
- Comparable and Comparator interfaces
- Arrays and Collections classes from java.util package
- Setting the classpath correctly
- OO concepts of coupling and cohesion
The style and difficulty level of questions has changed significantly in the new exam. Quoting Bert Bates, one of the exam writers "One of the main goals of this new exam is to create a test that is performance based rather than knowledge based (Sun's terms). Generally what this means is that a knowledge based question tends towards memorization of details, and a performance based question tends towards more real world activities like actually writing code."
About 30% of the questions are of Drag and Drop style, where you need to fill in the missing code to make the whole program work correctly by dragging and dropping the code fragments into their appropriate places. Most of the "trivia" questions where it was required to exactly memorize the API methods have been replaced with scenario-based questions.
Bitwise operations are no longer a part of the exam. You don't need to know the details of all the methods from the Math class and from the wrapper classes, but you need to be comfortable doing basic conversions. There have been other minor changes also in the objectives, however it is better to focus on the new objectives rather than worry about each and every small change.
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