It may convert simple Java classes to be used in javascript.

It does not support all the Java standard libraries It is used there to convert the SWT (GUI) widgets to javascript and HTML.

j2s, is the compiler used by the Eclipse RAP platform to translate java code to javascript.

You can use the resulting code in javascript very easily.

It can produce multiple types of javascript modules and typescript definitions.

It converts java to typescript and later uses the typescript compiler to create the corresponding javascript.

You can write java code that use these libraries. It includes API bindings for 1000+ javascript libraries. Cons: it is possible that you cannot use some functionalities of the Java platform. You can use it to reuse your own business logic classes without considering GUI or platform specific libraries. Pros: The resulting solution may include very small files. Typically, they are used to create HTML application using Java but not for migrating the code. The resulting code may not support some java standard libraries. Usually, these solutions transforms the Java to Javascript, but do not support all the behaviours and libraries of the Java runtime.

Some solutions take java source code and produce a javascript equivalent version.

You must select the solution to use depending on your requirements.Ĭonverting Java source code to Javascript For instance, you may find tools that allow you (1) convert java code to javascript (2) convert bytecode to javascript, asm.js or webassembly (3) execute java applications directly in the browser and (4) create solutions that combine java and javascript. This is an update (as 2018) of the other answers. S.notifyReceived(forTopic, dt.getObject(), dt.Given a set of Java source code files, how can I compile them into one or more JavaScript files that can be used with hand-crafted JavaScript?Īlthough there are many solutions to convert Java applications to Javascript, you are interested on a solution where new javascript code may interact with the resulting code. Java.io.ObjectInputStream st = new java.io.ObjectInputStream( Java.io.ByteArrayInputStream bstream = new java.io.ByteArrayInputStream( But i don't know how could i write same for Node.js ? Java code is shown below: public void receiveEvent(String forTopic, MqttMessage event) I am using following java code to unwrap the data.

Convert java code to javascript online