Usually jar files contain class files and some other files like property files, images, applets etc. We all have used jar files in projects, even JRE classes are packed as jar rt. Here we will learn how to create a jar file from a java project. I have two packages and two classes in my java project MyProject.
The project structure looks like below image. Note that I am compiling both the packages classes in bin directory. Using jar command to create the jar archive. Active Oldest Votes. In order to create a. Improve this answer. VH-NZZ 4, 3 3 gold badges 29 29 silver badges 45 45 bronze badges. This is missing the point isn't it? Are cf even valid options to java? Either way, he wants to create the jar, not run it. According to the question anyway. Mark Peters: Typo, I meant jar.
In which case you don't need the -jar argument do you? Plus, this won't make it executable since you don't specify a manifest. I always get "no main manifest attribute, in myJar.
If you want executable jar, you'd need to add the manifest file, something like jar -cvfm out. Sean Sean 2 2 silver badges 7 7 bronze badges. Often you need to put more into the manifest than what you get with the -e switch, and in that case, the syntax is: jar -cvfm myJar. Evgeni Sergeev Evgeni Sergeev Jay Shah Jay Shah 3, 1 1 gold badge 24 24 silver badges 23 23 bronze badges. Arpan Biswas Arpan Biswas 19 1 1 bronze badge.
Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. As an example, suppose you wanted to put audio files and gif images used by the TicTacToe demo into a JAR file, and that you wanted all the files to be on the top level, with no directory hierarchy. You could accomplish that by issuing this command from the parent directory of the images and audio directories:.
The -C images part of this command directs the Jar tool to go to the images directory, and the. The -C audio. The resulting JAR file would have this table of contents:. All rights reserved. Hide TOC. The basic format of the command for creating a JAR file is: jar cf jar-file input-file s.
Warning: The manifest must end with a new line or carriage return. The last line will not be parsed properly if it does not end with a new line or carriage return. MF cross. Produces verbose output on stdout while the JAR file is being built. The verbose output tells you the name of each file as it's added to the JAR file.
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