Sun Educational Services offers many types of certification exams for Java. More information can be found here:
The focus of this book is on the Sun Certified Programmer for the Java Platform Standard Edition 6 exam (SCJP 1.6), which is a prerequisite for taking many of the certification exams for the Java technology.
The goal of the programmer exam is to test practical knowledge of the Java language. The exam tests for thorough understanding of both the syntax and semantics of the Java programming language.
The exam covers a wide variety of topics, as defined in the objectives for the programmer ...