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	What is JVM? - A Word Definition From the Webopedia Computer Dictionary
		An abstract computing machine, or virtual machine, JVM is a platform-independent execution environment that converts Java bytecode into machine language and executes it.
		A JVM -- a machine within a machine -- mimics a real Java processor, enabling Java bytecode to be executed as actions or operating system calls on any processor regardless of the operating system.
		Since different operating systems handle sockets in different ways, the JVM translates the programming code so that the two machines that may be on different platforms are able to connect.
	www.webopedia.com /TERM/J/JVM.html (262 words)

	Java Virtual Machine - Wikipedia, the free encyclopedia
		JVM's may be developed by other companies as long as they adhere to the JVM standard published by Sun.
		Programs intended to run on a JVM must be compiled into a standardized portable binary format, which typically comes in the form of.class files.
		Execution of.class or.jar files is then handled by the JVM runtime which carries out emulation of the JVM instruction set by interpreting it or by applying a just-in-time compiler (JIT) such as Sun's HotSpot.
	en.wikipedia.org /wiki/JVM (858 words)

	JavaBoutique - JVM Monitoring and Management Specification
		Monitoring agents would require thread information like total number of threads created since the JVM started, current number of live threads, peak number of live threads, number of daemon threads, etc. Added to this is, specific information about the individual threads that can be used to know more about the application.
		For the JVM the memory pools and memory managers are abstract entities.
		The JVM can gather data about these memory pools and memory mangers and pass it on to the monitoring tool for analysis.
	javaboutique.internet.com /articles/jvm_monitor/article.html (1783 words)

	JVM and Jasmin Tutorial (Site not responding. Last check: 2007-10-09)
		JVM (Java Virtual Machine) is a piece of software, a "virtual" processor, by which Java programs are run.
		By virtue of being a virtual machine, JVM, can as well be an interface between another programming language and the hardware, which will also make that language portable.
		Notice that string is not a primitive type in JVM, so we have to use the Ljava/lang/String descriptor for strings, which represents the String object of Java.
	www.ceng.metu.edu.tr /courses/ceng444/link/f3jasmintutorial.html (1139 words)

	Inside Java : The Java Virtual Machine
		It is the responsibility of the JVM to handle these translations, so that the operating system and CPU architecture on which Java software is running is completely irrelevant to the developer.
		For example, garbage collection algorithms vary between one JVM and another, so it becomes impossible to know exactly when memory will be reclaimed.
		The thread scheduling algorithms are different between one JVM and another (based in part on the underlying operating system), so that it is impossible to accurately predict when one thread will be executed over another.
	www.javacoffeebreak.com /articles/inside_java/insidejava-jan99.html (604 words)

	Novell JVM for NetWare - DeveloperNet
		Novell JVM for NetWare runs Java* applications, servlets, and applets in a NetWare® environment.
		Your use of these files is subject to the Novell Developer License Agreement unless different license terms accompany the file itself, in which case those terms govern.
		JVM 1.4.2 for NetWare requires NetWare 6.5 with Support Pack 1 or higher or NetWare 6 with Support Pack 4 or higher.
	developer.novell.com /wiki/index.php/Novell_JVM_for_NetWare (110 words)

	Best Coding Practices for JVM Migration (Site not responding. Last check: 2007-10-09)
		A WebLogic JRockit JVM is based on a number of specifications; for example, The Java Virtual Machine Specification and the Java API Specification.
		The specifications are written to give JVM vendors freedom to optimize their JVMs, and therefore they leave certain behavior unspecified.
		For WebLogic JRockit JVM native threads, the algorithm is implemented by the operating system; for thin threads it is implemented by the WebLogic JRockit JVM (it is partly controlled by the operating system since thin threads runs on top of operating system threads or lightweight processes).
	e-docs.bea.com /wljrockit/docs81/portblty/codeprac.html (1092 words)

	JRockit JVM Support For AOP, Part 2
		The goal is to implement the widest set of current AOP semantics, while not locking the JVM with particular language details and programming model targeted by a specific aspect-oriented framework.
		JVM weaving is the natural answer to most of the issues discussed above.
		Due to the HotSwap API requirements, the JRockit JVM (and probably other JVMs too) also keeps track of which method calls which other method, so that a method body can still be hotswapped in all expected places—inlined or not—if its defining class is redefined at runtime.
	dev2dev.bea.com /pub/a/2005/08/jvm_aop_2.html (705 words)

	Mysaifu JVM - A free Java Virtual Machine for Windows Mobile
		Mysaifu JVM is a Java Virtual Machine which runs on Windows Mobile.
		Mysaifu JVM is designed to use the following libraries.
		JVM uses The XML C parser and toolkit of Gnome(libxml2 and libxslt) for XML processing.
	www2s.biglobe.ne.jp /~dat/java/project/jvm/index_en.html (525 words)

	JVM : Java Glossary
		It is possible to write code for the JVM more or less directly with a JVM assembler.
		JVM also refers to the platform-specific program that can interpret JVM byte codes and execute them.
		Roughly speaking, here is how a JVM works: the JVM has a heap that is managed by an automatic a garbage collector.
	mindprod.com /jgloss/jvm.html (815 words)

	What's New in the JVM in Java 1.2
		All JVM implementations must continue to support floating point operations as defined by the original JVM specification, which is now called "strict mode." Existing JVM implementations that adhere to the original specification already support strict mode by definition.
		The Hotspot JVM uses a collection of techniques to enhance performance -- the most significant of which is called "adaptive optimization." The Hotspot JVM begins by interpreting all code, but it monitors the execution of that code.
		When the Hotspot JVM decides a particular method is in the hot spot, it fires off a background thread that compiles those bytecodes to native and heavily optimizes the native code, including even inlining virtual method calls.
	www.artima.com /insidejvm/newin12.html (2024 words)

	Use JVM Shutdown Hooks to Optimize Resources
		JVM shutdown hooks provide a clean and simple mechanism for registering application-specific behavior that performs the required cleanup work when a JVM terminates.
		JVM shutdown hooks provide a clean and simple mechanism for registering application-specific behavior that performs cleanup work when a JVM terminates.
		You implement JVM shutdown hooks using a separate class that extends the Thread class (click here to download the accompanying source code for this Solution).
	www.devx.com /getHelpOn/10MinuteSolution/20459/1954?pf=true (869 words)

	Q107222 ERRDOC: JVM not found
		The reason for this is because when JVM Resolution is set to use the "current" JVM, it is configured to use the JVM which was located by the JVM search that was conducted by the native launcher.
		While it is perfectly legal to have multiple JVM resolutions in a setup, this is often a cause of misunderstanding, and if one of the resolutions is misconfigured, it can lead to "JVM not found" errors at install time.
		A useful technique for troubleshooting JVM resolution problems is to enable full logging and debugging information for the setup by setting the is.debug java system property to the value of "1".
	support.installshield.com /kb/view.asp?articleid=Q107222 (1751 words)

	WebLogic Pro - Investigate JVM Crashes
		The very exceptional nature of a JVM crash makes it both interesting and important to determine its root cause, since it can be indicative of a serious problem.
		A core dump file is a memory map of the running process, and it saves the state of the application at the time of its termination.
		Terminating the JVM may be the best option under exceptional circumstances such as these.
	www.ftponline.com /weblogicpro/2005_03/magazine/columns/troubleshootersdiary (436 words)

	Jamaica: The Java Virtual Machine (JVM) Macro Assembler
		This is not meant to be a reference for the JVM, Java class files, JVM architecture and JVM runtime environment; they are introduced where necessary only to serve as the background for bytecode programming.
		The executable code is written in JVM bytecode instructions; the format of instructions uses mnemonics and symbolic names for labels, fields and variables.
		JVM is a stack-based machine; instructions receive values and return results on the operand stack, as well as passing parameters to method calls.
	www.judoscript.com /articles/jamaica.html (4479 words)

	View statistics on Apache Geronimo via the JVM
		The JVM is responsible for loading the classes in your application and classes from libraries that your application's classes use.
		There are several JVM implementations available, but the most common one is Sun's HotSpot JVM (see Resources for a link to the technology).
		A full garbage collection involves the JVM examining all objects on the heap, including those that have survived many generations, that would not be analyzed on partial garbage collections.
	www.ibm.com /developerworks/java/library/os-ag-stats/index.html?ca=drs- (2338 words)

	performance: Tuning JVM switches for performance
		JVMs offer a variety of standard and non-standard switches that tune memory allocation and garbage collection behavior.
		By telling the JVM how much memory it should initially allocate for the heap, we save it growing the heap as NetBeans consumes more memory.
		This switch causes the JVM to use different algorithms for major garbage collection events (also for minor collections, if run on a multiprocessor workstation), ones which do not "stop the world" for the entire garbage collection process.
	performance.netbeans.org /howto/jvmswitches/index.html (1043 words)

	Building a Java virtual machine for server applications: The Jvm on OS/390
		An erase-memory mechanism that tracks all variables or objects that were changed, created, or deleted in the Jvm with the goal of restoring them to their original values would involve intervention on every “putxxx” operation code in the Jvm.
		Further, the Jvm initialization process is the same regardless of the Java application being executed, and the majority of classes used in the Jvm initialization are not used by the target application.
		Other Jvm instances running Java code perceive that they are running in their own dedicated Java virtual machine and are not affected by other Jvm instances.
	www.research.ibm.com /journal/sj/391/dillenberger.html (7799 words)

	Tuning Java Virtual Machines (JVMs)
		The Java virtual machine (JVM) is an "execution engine" that executes the byte codes in Java class files on a microprocessor.
		Deployments using different JVM versions for the client and server are supported in WebLogic Server.
		Configuring the JVM heap size options listed in Table 2-2 increases performance for most applications.
	e-docs.bea.com /wls/docs61/perform/JVMTuning.html (1919 words)

	HREF Considered Harmful » Blog Archive » Ruby and the JVM
		The JVM is certainly ready for dynlangs now, but it’s not a straightforward process to make them run well.
		In fact, to make this discussion more substantial, you should actually be looking at real benchmarks with existing JVM languages, then compare and try to understand why they are slow or fast, rather than just reflecting on the difficulty of it all.
		Point being, there are JVM languages which are dynamic in nature and which have shown high-quality optimization is possible.
	smallthought.com /avi/?p=18 (1330 words)

	JVM - Glossary - CNET.com (Site not responding. Last check: 2007-10-09)
		A JVM acts as an interpreter between the Java bytecode and a computer's operating system.
		Using a JVM, you can run Java code on any number of different computer platforms, including Macintosh, Windows 95, and Unix.
		JVMs read and execute Java statements one at a time, however, so they are often slower than a just-in-time compiler.
	www.cnet.com /Resources/Info/Glossary/Terms/jvm.html (56 words)

	ONJava.com -- JVM to .NET: I'm Not Dead Yet!
		Thus, if a JVM compiler for a non-Java language is properly aware of the object-oriented features of the JVM, the JVM itself can be used as a generalized object model.
		The JVM would serve objects to the languages, and each language would use its own natural way to access objects -- possibly not even aware that the objects were implemented in another language.
		Already, dozens of languages have been ported to the JVM, and many of them do use the JVM in a way that is aware of its object model.
	www.onjava.com /pub/a/onjava/2001/02/15/jvm.html (950 words)

	JRockit 5.0 - The JVM at Your Fingertips
		The JRockit JVM is not only fast, but it also comes with JRockit Mission Control, a suite of analysis tools for performing runtime analysis and memory leak detection.
		The JRockit Runtime Analyzer (JRA) is an on-demand "flight recorder" that produces detailed recordings of the JVM and the application it is running.
		It consists of two parts: a JMX agent running in the JVM process, and a standalone client with a graphical user interface (see An Introduction to JRockit Mission Control for further details on this and other aspects).
	dev2dev.bea.com /pub/a/2005/12/jrockit-5.html (3155 words)

	JVM Notes (Site not responding. Last check: 2007-10-09)
		We and the JVM see the method names, parameters, and return type; but we also see how big the stack can get and how many local variables there are.
		The JVM implements objects in a heap, which is memory that the JVM, not the programmer, manages.
		The JVM pops the 3 and creates an integer array in the heap with three elements initialized to 0.
	www.csam.montclair.edu /~bredlau/jasmin/JVM.html (3976 words)

	Open JVM Integration (OJI)
		The Open JVM Integration project (OJI) is working to extend the browser to allow Java virtual machines to be plugged into Mozilla.
		Our strategy for developing the Open JVM Plug-in API is to enlist the help of third-party JVM providers and the mozilla.org community by periodically posting our source code to mozilla.org and by actively inviting partners to join us in the design and development process.
		The Open JVM Plug-in API depends on the XPCOM object model which is described in Extending Mozilla.
	www.mozilla.org /oji (724 words)

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