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JAR files are created with the jar command-line utility. The command jar cf myPackage.jar *.class compresses all .class files into the JAR file myPackage.jar. The 'c' option on the command line tells the jar command to "create new archive." The ' f ' option tells it to create a file. The file's name comes next before the contents of the JAR file.
Being closely associated with the file system, the command-line Classpath syntax depends on the operating system. [1] For example: on all Unix-like operating systems (such as Linux and Mac OS X ), the directory structure has a Unix syntax, with separate file paths separated by a colon (":").
Executable JAR files have the manifest specifying the entry point class with Main-Class: myPrograms.MyClass and an explicit Class-Path (and the -cp argument is ignored). Some operating systems can run these directly when clicked. The typical invocation is java -jar foo.jar from a command line. Native launchers can be created on most platforms.
Umple is available as a Jar file so it can be run from the command line, and as an Eclipse plugin. There is also an online tool for Umple called UmpleOnline [ 8 ] , which allows a developer to create an Umple system by drawing a UML class diagram, editing Umple code or both.
Modules are a new way of grouping code. Contrary to Jar files, modules explicitly declare which modules they depend on, and what packages they export. [12] Explicit dependency declarations improve the integrity of the code, by making it easier to reason about large applications and the dependencies between software components.
While JNAerator is mainly a command-line-based tool, it also contains a limited GUI that's ideal for simple quick generation experiments. It can be launched from the Web using the direct WebStart link from the project's main page, or by double-clicking on JNAerator's JAR executable archive.
The operating systems the archivers can run on without emulation or compatibility layer. Ubuntu's own GUI Archive manager, for example, can open and create many archive formats (including Rar archives) even to the extent of splitting into parts and encryption and ability to be read by the native program.
An archive format designed for the Apple II series of computers. The canonical implementation is ShrinkIt, which can operate on disk images as well as files. Preferred compression algorithm is a combination of RLE and 12-bit LZW. Archives can be manipulated with the command-line NuLib tool, or the Windows-based CiderPress. .sit application/x ...