In windows you can also get help about various options of jar command just by typing jar in cmd and then pressing enter, the output will be somewhat similar to this:įor creating a JAR file which have two classes server.class and client.class and a Jpeg image logo.jpeg, one need to write following command : jar cvf chat.jar server.class client.class logo.jpeg
The options of jar command are almost similar to that of UNIX tar command. If you supply one or more file names, only those files are extracted Otherwise, all files are extracted.
#Compiling java to jar archive#
Every archive has a default manifest, but you can supply your own if you want to authenticate the contents of the archive. A manifest is a description of the archive contents and origin. m : Adds a manifest file to the JAR file.
If this parameter is missing, jar will write the result to standard output (when creating a JAR file)or read it from standard input(when extracting or tabulating a JAR file). f : Specifies the JAR file name as the second command-line argument.e : Creates an entry point in the manifest.If any of the specified file name are directories, then the jar program processes them recursively. c : Creates a new or empty archive and adds files to it.manifest-file is the name of file which contains manifest of that jar file, giving manifest-file as an argument is entirely optional. file1, file2, file3 : files which you want to add inside a jar file.jar – file : name of jar file on which you want to use jar tool.ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.
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