These notes are for Java developers who want to convert their Java applets or Java applications to

JavaScript, allowing continued one-source development of both Java and JavaScript.

java2script/SwingJS is not a one-time "port" to JavaScript. It is a system that allows real-time Java-to-JavaScript conversion

within Eclipse, with immediate JavaScript testing and debugging in a browser based on code development

in Java. Using the java2script/SwingJS Eclipse plug-in, both Java .class files and their equivalent .js files are created simultaneously.

java2script/SwingJS includes an Eclipse plug-in (technically a "drop-in"), net.sf.j2s.core.zip,

along with a JavaScript version of the Java Virtual Machine (SwingJS) to allow the rapid and