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07-compiler-usage, added --jvm #466

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Jul 17, 2020
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07-compiler-usage, added --jvm #466

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8f3c6dc
07-compiler-usage, added `--jvm`
uvtc Jul 16, 2020
f6d041b
12-target-details, added JVM target
uvtc Jul 16, 2020
7cd1598
12-target-details.md, JVM, clarified prereqs
uvtc Jul 17, 2020
be61117
removed note about some OS's allowing double-click jar
uvtc Jul 17, 2020
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1 change: 1 addition & 0 deletions content/07-compiler-usage.md
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Expand Up @@ -30,6 +30,7 @@ The second question usually comes down to providing an argument specifying the d
* `--cpp <directory>` Generate [C++](target-cpp) source code in specified directory and compiles it using native C++ compiler.
* `--cs <directory>` Generate [C#](target-cs) source code in specified directory.
* `--java <directory>` Generate [Java](target-java) source code in specified directory and compiles it using the Java Compiler. Add `-D jvm` to generate JVM byte code directly bypassing Java compilation step.
* `--jvm <file_name.jar>` Generate [JVM bytecode](target-jvm) as a jar file.
* `--python <file_name.py>` Generate [Python](target-python) source code in the specified file.
* `--lua <file_name.lua>` Generate [Lua](target-lua) source code in the specified file.
* `--hl <file_name.hl>` Generate [HashLink](target-hl) byte code in specified file.
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48 changes: 48 additions & 0 deletions content/12-target-details.md
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Expand Up @@ -1945,6 +1945,54 @@ java -jar bin/Main.jar



<!--label:target-jvm-->
### JVM

<!--subtoc-->

<!--label:target-jvm-getting-started-->
#### Getting started with Haxe/JVM

To get started with Haxe/JVM, create a new folder and save this class as `Main.hx`.

[code asset](assets/HelloWorld.hx)

To compile Haxe to JVM bytecode, you'll first need to install the [hxjava haxelib](http://lib.haxe.org/p/hxjava). This is the Haxe Java support library, including build scripts and support code. Then run the following from the command line:

```sh
haxe --jvm bin/Main.jar --main Main
```

To save yourself some typing, you may create a `.hxml` file (say, `jvm.hxml`) in your project's top-level directory, containing:

```hxml
--jvm bin/Main.jar
--main Main
```

and run it with the `haxe` command:

```sh
haxe jvm.hxml
```

to produce the bin/Main.jar file.

To execute the jar file, you'll need to have a JRE (Java Runtime Environment) installed, such as [OpenJDK](https://openjdk.java.net/) or a commercially-supported JRE. Then run the jar file using the following command:

```sh
java -jar bin/Main.jar
```


##### More information

* [Haxe/Java API docs](https://api.haxe.org/java/)
* [Java Platform Documentation](https://docs.oracle.com/javase/)





<!--label:target-cs-->
### C#
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