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Sun currently offers four Certification exams for Java developers:
- Sun Certified Java Associate (SCJA)
- Sun Certified Java Programmer (SCJP)
- Sun Certified Java Developer (SCJD)
- Sun Certified Web Component Developer (SCWCD)
- Sun Certified Business Component Developer (SCBCD)
- Sun Certified Developer for Java Web Services (SCJWS)
- Sun Certified Mobile Application Developer (SCMAD)
- Sun Certified Enterprise Architect (SCEA)
Sun is part of the jCert initiative that aims to provide guidelines for training and to help standardize Java technology testing. The jCert initiative was started in 1999 by BEA Systems, Hewlett-Packard, IBM, Oracle, Sun Microsystems, and Sybase. Each participating company offers standard "Vendor" Certified Solution Developer and "Vendor" Certified Enterprise Developer certifications.
In addition, several independent vendors, including CIW and CompTIA, offer Java as part of their Internet certification programs (although these are not specifically Java Certification).
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Being certified will demonstrate to employers a minimum level of knowledge of the Java language. Java is still a relatively new language so few people have extensive real world experience with it; certification is proof that you understand the fundamentals. Certification is also a great way for someone new to programming to get started or for someone with a background in other programming languages (like C++ or Visual Basic) to learn Java.
There are no specific stats on how much more certified programmers are paid then non-certified, although increases of $5000 to $10,000 and starting salaries in the $30-$40/hr range seem to be common.
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