How to Convert JAR to EXE for Cross-Platform Execution: Windows, Linux, and Mac?

JAR to EXE: Converting Java Programs for Cross-Platform Execution

Converting a Java archive (.jar) file to an executable (.exe) enables seamless execution of Java programs on Microsoft Windows systems. While there are various program converters available, some tools provide cross-platform compatibility for Linux and Mac.

Launch4j for Windows, Linux, and Mac

Launch4j is a versatile tool that supports JAR to EXE conversion on Windows, Linux, and Mac. It offers a comprehensive set of options for customizing the output executable, including setting JVM parameters and adding application icons.

Shell Script Method for Linux and Mac

If you prefer a non-GUI solution for Linux or Mac, you can embed your JAR file into a shell script that performs the autolaunch process. Here's an example of an exestub.sh script:

<code class="sh">#!/bin/sh
MYSELF=`which "<pre class="brush:php;toolbar:false"><code class="sh">$ cat exestub.sh myrunnablejar.jar > myrunnable
$ chmod +x myrunnable</code>

"` JAVA_OPT="" PROG_OPT="" # Parse options to determine which ones are for Java and the Program while [ $# -gt 0 ] ; do case in -Xm*) JAVA_OPT="$JAVA_OPT " ;; -D*) JAVA_OPT="$JAVA_OPT " ;; *) PROG_OPT="$PROG_OPT " ;; esac shift done exec java $JAVA_OPT -jar $MYSELF $PROG_OPT

To create your runnable file:

This method exploits the ZIP format of JAR files, allowing the addition of an executable header. By running java -jar , the JAR file is executed as if it were a native executable.

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