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Current development "Version 3 development master" involving a completely rewritten transpiler (2017) that nearly perfectly emulates the Java Virtual Machine, including fully qualified methods, compile-time method binding, generic methods and classes, Java reflection for efficient modular just-in-time class loading, Java Swing components, modal and nonmodel dialogs, audio, jpdf, the AWT event thread, and many other added packages. Java applications and applets can both be run in JavaScript in a browser.
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Current development "Version 3 development master" involve a completely rewritten transpiler (2017) “CompilationParticipant” that follows the Eclipse Java compiler. The implementation nearly perfectly emulates the Java Virtual Machine. It includes fully qualified methods, compile-time method binding, generic methods and classes, Java 8 lambda functions and streams, Java reflection and dynamic class loading for efficient modular just-in-time performance, Java Swing components, modal and nonmodel dialogs, audio, jpdf, the AWT event thread, and many other added packages. Java applications and applets can both be run in JavaScript in any browser.
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Version 3 also implements real-time creation of HTML test files for immediate JavaScript testing of any changes made to the Java code. Basically, when the source file is saveed in Eclipse, the JavaScript updates automatically, and a reload of the page in the browser shows the changes directly. This makes for very easy side-by-side Java and JavaScript debugging.
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Version 3 also implements real-time creation of HTML test files for immediate JavaScript testing of any changes made to the Java code. Basically, when the source file is saved in Eclipse (Photon), the JavaScript updates automatically, and a reload of the page in the browser shows the changes immediately. This makes for very easy side-by-side Java and JavaScript debugging.
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Unlike Version 2, Version 3 requires minimal reworking of Java classes - primarily just for performance and threading* reasons, maximizing JavaScript performance without compromising any Java performance and making Java-to-JavaScript conversion almost trivial. (Of course, we are still finding occasional bugs in the transpiler and run-time "JavaScript-JVM.")
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@@ -52,7 +52,7 @@ Varna https://github.com/BobHanson/VARNA and https://chemapps.stolaf.edu/swingjs
Ported from SourceForge by Zhou Renjian, developed further by Zhou Renjian and Udo Borkowski (primariy) as "Version 2.0".
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Ported from SourceForge by Zhou Renjian, developed further by Zhou Renjian and Udo Borkowski (primarily) as "Version 2.0".
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Extensively used by Bob Hanson in 2012-2016 for the conversion of Jmol/java to JSmol/javascript (http://jmol.sourceforge.net/), leading to extensive distribution and widespread use on the web. As of 3/2018, still the
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only known widely-available java2sript application.
@@ -61,7 +61,7 @@ Developed further in 2016 by zhou Renjian, Udo Borkowski, Bob Hanson, Andrew Rad
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dubbed "SwingJS". Used by Bob Hanson during 11/2016 for conversion of the PhET gas applications applets.
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Version 2 allowed extensive development of JavaScript versions of Java applets, including JSmol, Falstad applets, and PhET applets.
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However, this version did not produce "fully qualified" method signatures, resulting in error-prone and performance-reducing run-time binding of methods. Java class loading procedures were not consistent with the seqence of events used by the Java class loader, and parameter and array typing was minimal. Thus, while functional, Version 2 was not fully generalizable and required extensive reworking of Java code to be "java2script compliant."
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However, this version did not produce "fully qualified" method signatures, resulting in error-prone and performance-reducing run-time binding of methods. Java class loading procedures were not consistent with the sequence of events used by the Java class loader, and parameter and array typing was minimal. Thus, while functional, Version 2 was not fully generalizable and required extensive reworking of Java code to be "java2script compliant."
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Synchronized with https://github.com/BobHanson/java2script as the stable master version in 2018.
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