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Maxine Virtual Machine

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Title: Maxine Virtual Machine  
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Subject: Java virtual machine, Java Access Bridge, Jaos, Meta-circular evaluator, JX (operating system)
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Maxine Virtual Machine

Developer(s) The Maxine Project at Oracle Labs
Written in Java
Operating system Solaris, Linux, Mac OS X
Type Java Virtual Machine
License GPL version 2.0

The Maxine Virtual Machine[1] is an open source virtual machine that was developed by Oracle Labs [2] (formerly Sun Microsystems Laboratories). The emphasis in Maxine's architecture is on modular design and code reuse in the name of flexibility, configurability, and productivity for industrial and academic virtual machine researchers. It is one of a growing number of Java Virtual Machines written entirely in Java in a meta-circular style (for example, Squawk and Jikes RVM).

Oracle has stopped development of Maxine with the release of Maxine 2.0.[3]


The Maxine VM is characterized internally by aggressive use of advanced language features in Java 1.5 and 1.6, by modular subsystems coordinated through Java interfaces, and by the absence of an interpreter.


Maxine is plug compatible with an unmodified JDK. Maxine can be developed, built, and run in standard Java IDEs, including Netbeans, Eclipse, and IntelliJ IDEA.

Systems programming in Java

A secondary goal of the project is development of methodologies and tools for "systems programming in Java". Compiler extensions, configured in VM source code using Java annotations, permit the use, without performance penalty, of low-level operations that are not otherwise allowed in Java.

The Maxine Inspector

Specialized debugging support for the Maxine VM is provided by the Maxine Inspector:[4] a companion tool that acts as a combined object, class, and method browser, as well as a machine-level debugger. The Inspector runs out-of-process, requires no active VM support, and leverages code shared with the VM for specialized developer services.

See also


  1. ^ Christian Wimmer, Michael Haupt, Michael L. Van De Vanter, Mick Jordan, Laurent Daynès, and Douglas Simon. 2013. Maxine: An approachable virtual machine for, and in, Java. ACM Transactions on Architecture and Code Optimization (TACO) 9, 4, Article 30 (January 2013), 24 pages.
  2. ^ Oracle Labs
  3. ^
  4. ^ Maxine Inspector

External links

  • Maxine Project Home Page
  • Maxine Project publications
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