Method for execution of JAVA program instruction in smart card
A program instruction and execution method technology, which is applied to the execution field of JAVA program instructions in a smart card, can solve the problems of time consumption, complex virtual machine, unsatisfactory smart card operation efficiency, etc., and achieves the effect of convenient development
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[0019] Referring to FIG. 1 , FIG. 1 is a schematic block diagram of the structure of a smart card applying the embodiment of the method for executing JAVA program instructions of the present invention. The smart card 1 includes a central processing unit 11 and memory, wherein the memory includes ROM12, RAM13 and EEPROM14, and the program of the smart card 1 is stored in the ROM12, including operating system programs and application programs. The operating system program of the smart card 1 is written in JAVA language, so a virtual machine capable of executing the JAVA program needs to be set in the smart card 1 . A virtual machine is a virtual device implemented by software for interpreting and executing JAVA programs.
[0020] Referring to FIG. 2 , FIG. 2 is a schematic diagram of a bytecode read by a virtual machine in an embodiment of the present invention. Smart card developers use JAVA language to write the operating system program 21 of the smart card, and the operating...
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Abstract
Description
Claims
Application Information
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