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The Java® Language Specification, Java SE 7 Edition, Fourth Edition by Alex Buckley, Gilad Bracha, Guy Steele, Bill Joy, James Gosling

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1.1. Organization of the Specification

Chapter 2 describes grammars and the notation used to present the lexical and syntactic grammars for the language.

Chapter 3 describes the lexical structure of the Java programming language, which is based on C and C++. The language is written in the Unicode character set. It supports the writing of Unicode characters on systems that support only ASCII.

Chapter 4 describes types, values, and variables. Types are subdivided into primitive types and reference types.

The primitive types are defined to be the same on all machines and in all implementations, and are various sizes of two’s-complement integers, single- and double-precision IEEE 754 standard floating-point numbers, a boolean type, and a Unicode ...

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