RTJ Computing simpleRTJ

The simpleRTJ is a clean room implementation of the Java language. It differs from other Java VM implementations not only in small memory footprint (which is on most microcontrollers 18-23KB) but also the way how the class loading is performed. On most embedded systems the Java applications will not be frequently updated or reloaded from the host computers but may require frequent re-starts (turning power on). To minimize the Java application start-up times and to speed up the bytecodes execution the simpleRTJ executes pre-linked Java applications. The Java application class files are linked on the host computer. Such generated application file is then uploaded to the target device for direct execution by the simpleRTJ.

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