Java backporting tools

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Java backporting tools are programs (usually written in Java) that convert Java classes bytecodes from one version of the Java Platform to an older one (for example Java 5.0 backported to 1.4).

Java backporting tools comparison[edit]

Main information[edit]

Source Version Target Version Last Release License Website
Retrolambda Java 8 Java 7, 6, 5 2014-07-04, 1.4.0 Apache License 2.0 https://github.com/orfjackal/retrolambda
Retrotranslator Java 5 Java 1.4, 1.3 2009-08-09, 1.2.9 BSD-like http://retrotranslator.sourceforge.net/
Retroweaver Java 5 Java 1.4 2008-10-14, 2.0.7 BSD-like http://retroweaver.sourceforge.net/
Declawer Java 5 Java 1.4 2007-11-14 LGPL or MPL http://www.glazedlists.com/Home/declawer
JBossRetro Java 5 Java 1.4 2008-03-10, 1.1.2 LGPL http://www.jboss.org/community/docs/DOC-10738

Features[edit]

lambda expressions generics enhanced for loops annotations autoboxing and unboxing static imports varargs Enumerations Reflection on generics and annotations Covariant return types Formatted output Formatted input Collections framework enhancements Concurrency utilities emulate the Java 5.0 memory model support for JDK1.6 File methods like canExecute() API support for JDK1.4 API support for JDK1.3 API support for older release
Retrolambda Yes
Retrotranslator No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes[1] No No extensive limited none
Retroweaver No Yes Yes Yes Yes Yes Yes Yes No No No No No No No
Declawer No Yes
JBossRetro No

See also[edit]

References[edit]

  1. ^ It uses the backport of the Java 5.0 concurrency utilities.

External links[edit]