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Friday, April 17, 2009

Inside the Java Virtual Machine

Inside the Java Virtual Machine
McGraw-Hill Companies | 0079132480 | 579 pages | December 1997 | CHM | 1 Mb
For the advanced Java developer, Inside the Java 2 Virtual Machine offers a detailed guide to the inner workings of

today s Java Virtual Machines (JVMs), plus a complete reference to all bytecodes (the "machine code" for the language).

For those who want to understand how Java really works, this book definitely delivers the goods, with excellent technical

detail and demos of JVMs in action on the companion CD-ROM.
This title provides a remarkably detailed tour of the internals of the Java platform, with plenty of technical information on

the way virtual machines do business under the hood, from the way language statements are turned into bytecodes to

in-depth coverage of loading and invoking classes, security, and garbage collection. The author demonstrates superior

knowledge of Sun s Java Virtual Machine specification and explains the principles of its design and implementation,

including a full explanation of how actual bytecodes are run on a VM. (Surprisingly, variables in Java are always

processed on the stack, since there are no general CPU registers available, a very different architecture than most CPUs.)

Each chapter includes applets that showcase Java in action (for example, adding two numbers or demonstrating garbage

The later part of this text covers over 200 Java bytecodes (mnemonic instructions for the JVM) by groups, and the book

closes with a full listing of these opcodes (with over 150 pages of material). In all, Inside the Java 2 Virtual Machine

serves as both a tutorial and reference to the architecture and inner operation of JVMs for any technically astute reader

who wants to understand how Java really works.



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