java - What exactly does a jar file contain? - Stack Overflow A jar file is basically a zip file containing class files and potentially other resources (and metadata about the jar itself) It's hard to compare C to Java really, as Java byte code maintains a lot more metadata than most binary formats - but the class file is compiled code instead of source code
java - How to run a JAR file - Stack Overflow Follow this answer, if you've got a jar file, and you need to run it See troubleshooting sections for hints to solve most common errors Introduction There are several ways to run java application: java -jar myjar jar - is the default option to run application java -cp my-class-path my-main-class or java -classpath my-class-path my-main-class java --module-path my-module-path --module my-module
java - Viewing contents of a . jar file - Stack Overflow jar -xvf file_name jar this will unzip jar file put the content in same directory where you are running this Or in Windows rename jar file to zip then you can unzip to extract view the content of jar file As jar is internally a zip file
java - How to decompile a whole Jar file? - Stack Overflow Does anyone know of a free decompiler that can decompile an entire Jar file instead of a single class? I have a problem with sub classes like name$1 class name$2 class name class
Run a JAR file from the command line and specify classpath When you specify -jar then the -cp parameter will be ignored From the documentation: When you use this option, the JAR file is the source of all user classes, and other user class path settings are ignored You also cannot "include" needed jar files into another jar file (you would need to extract their contents and put the class files into your jar file) You have two options: include all
How to open run . jar file (double-click not working)? I can't open or run my jar file I just installed java, but I tried to open the jar with other programs first, so the double-click defaults to something else and I can't change it back java -jar
How to add local . jar file dependency to build. gradle file? Note that - if you have external dependencies in your jar, you have to build a shadow jar to be able to use it this way, however, if you publish it to your local maven repo it's unnecessary