The nucleus of the Java programming language, the Java Virtual Machine is the technology responsible for Java's cross-platform delivery, the small size of its compiled code, and its security capabilities. Written by its designers and implementors, this book represents the complete and definitive specification for the Java Virtual Machine. It is an essential reference for compiler writers and Java Virtual Machine implementors. For all Java programmers, the book offers a unique and fascinating internal view of how Java really works. In this book, you will find comprehensive coverage of the Java Virtual Machine class file format and instruction set. In addition, directions for compiling for the Java Virtual Machine with numerous practical examples clarify how the Java Virtual Machine operates in practice. The book also demonstrates the Java Virtual Machine's powerful verification techniques. In all, the book provides sufficient detail to enable you to implement your own fully-compatible Java Virtual Machine.

The nucleus of the Java(TM) 2 platform, the Java(TM) virtual machine is the technology that enables the Java 2 platform to host applications on any computer or operating system without rewriting or recompiling. The Java virtual machine is also responsible for the compactness of applications targeting the Java 2 platform, and is the basis for its security capabilities.

This book was written by those directly responsible for the design and implementation of the Java virtual machine, and is the complete and definitive specification for the technology. It is an essential reference for writers of compilers for the Java programming language and implementors of the Java virtual machine. This second edition specifies the newest version of the Java virtual machine and provides a fascinating view into the inner workings of the Java 2 platform.

In this book you will find comprehensive coverage of the class file format, the hardware, operating system, and implementation-independent binary format for compiled code. The authors fully describe the instruction set of the Java virtual machine. You will find an entire chapter of examples that demonstrate how to compile code written in the Java programming language into the instruction set of the Java virtual machine. In addition, the book presents a discussion on the vital topic of Java virtual machine threads and their interaction with memory.

All in all, this comprehensive, detailed, and methodical presentation provides the information necessary to implement your own fully compatible Java virtual machine.

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You will find an entire chapter of examples that demonstrate how to compile code written in the Java programming language into the instruction set of the Java virtual machine. In addition, the book presents a discussion on the vital topic of Java virtual machine threads and their interaction with memory. All in all, this comprehensive, detailed, and methodical presentation provides the information necessary to implement your own fully compatible Java virtual machine.