Archive for the Virtual Machine (JCVM) Category

VM Speed Improvization Ideas

Posted in Virtual Machine (JCVM) on February 17, 2008 by Youzt

The Java Card™ processing could be considered slow in speed.
It can be caused by some factors:

  • The Applet that runs on

Related with Applet developer to improve this condition.
Many article has already write about this topic

  • The slow in VM that related by the design

confused

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The JCVM pieces

Posted in Virtual Machine (JCVM) on February 16, 2008 by Youzt

The JCVM pieces

  • The Java Card™ converter runs on a PC or a workstation
  • The converter is the off-card piece of the virtual machine
  • Taken together, converter implement all the virtual machine functions-loading Java class files and executing them with a particular set of semantics
  • The converter loads and preprocesses the class files that make up a Java package and outputs a CAP (converted applet) file
  • The CAP file is then loaded on a Java Smart Card and executed by the interpreter
  • In addition to creating a CAP file, the converter generates an export file representing the public APIs of the package being converted