Java is an exciting new object-oriented technology. Hardware for supporting objects and other features of Java such as multithreading, dynamic linking and loading is the focus of this book. The impact of Java's features on micro- architectural resources and issues in the design of Java-specific architectures are interesting topics that require the immediate attention of the research community. While Java has become an important part of desktop applications, it is now being used widely in high-end server markets, and will soon be widespread in low-end embedded computing. Java Microarchitectures contains a collection of papers providing a snapshot of the state of the art in hardware support