Preface
Writing the Second Edition
The exam for the Sun Certified Programmer for Java 2 (SCPJ2) Platform has changed considerably since the first edition of this book was published. The most noticeable change in the current version of the exam (SCPJ2 1.4) is the removal of GUI and I/O, and the shifting of emphasis toward the core features of the language. In our opinion, the new exam demands an even greater understanding and actual experience of the language, rather than mere recitation of facts. Proficiency in the language is the key to success.
The I/O and GUI topics of the first edition have been eliminated, as they have no relevance for the SCPJ2 exam. These topics are more relevant for the Sun Certified Developer for Java 2 (SCDJ2) Platform ...
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