Sun's certification program in Java technology is an industry recognized, worldwide program that focuses on critical job roles in software application development and enterprise architecture. Since these certifications focus on the technology, the knowledge and skills learned while preparing for Sun's certifications are transportable from one company to another.
Sun's philosophy is that certification is central to the learning process as it provides validation of skill sets for specific job roles. Sun certification also offers a natural progression to support your career goals.

Oracle is reviewing the Sun product roadmap and will provide guidance to customers in accordance with Oracle's standard product communication policies. Any resulting features and timing of release of such features as determined by Oracle's review of roadmaps, are at the sole discretion of Oracle. All product roadmap information, whether communicated by Sun Microsystems or by Oracle, does not represent a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. It is intended for information purposes only, and may not be incorporated into any contract.

Sun offers the following Java technology professional certifications:-

Sun Certified Java Associate (SCJA) Certification Preparation:-

This certification provides an ideal entry into an application development or a software project management career using Java technologies. It validates basic knowledge of OO concepts, the Java programming language and general knowledge of Java platforms and technologies.
To achieve this certification, candidates must successfully complete one exam.
Follow links for detailed information, exam objectives and to purchase: