Making jar file

Compiler Design. Computer Organization. Discrete Mathematics. Ethical Hacking. Computer Graphics. Software Engineering.

Web Technology. Cyber Security. C Programming. Control System. Data Mining. Data Warehouse. Because the command used the v option for verbose output, you would see something similar to this output when you run the command:. The Jar tool compresses files by default. You can turn off the compression feature by using the 0 zero option, so that the command would look like:. You might want to avoid compression, for example, to increase the speed with which a JAR file could be loaded by a browser.

Uncompressed JAR files can generally be loaded more quickly than compressed files because the need to decompress the files during loading is eliminated. However, there is a tradeoff in that download time over a network may be longer for larger, uncompressed files. As long as there weren't any unwanted files in the TicTacToe directory, you could have used this alternative command to construct the JAR file:.

In the above example, the files in the archive retained their relative path names and directory structure. The Jar tool provides the -C option that you can use to create a JAR file in which the relative paths of the archived files are not preserved. Double-click Java. This option is near the top of the page.

Click JAR file. It's below the Java item that you double-clicked. It's at the bottom of the window. Select resources to export. Click the checkbox next to any unchecked resources that you want to package into your JAR file. You'll do this in the window at the top of the page.

Skip this step if you chose to create a runnable JAR file. Select a save location. Click Browse… , type in a name for your file, click a folder in which you want to save the JAR file, and click Save.

Click Finish. Doing so will create your JAR file, though the compression process may take awhile. You should create a runnable jar. You can do this with an IDE like eclipse. MF file that specifies your main class. After that, you can simply run your runnable jar by double clicking. Not Helpful 7 Helpful 5. Include your email address to get a message when this question is answered. You Might Also Like How to. How to. About This Article.

Written by:. Co-authors: Updated: December 16, Categories: Java. Article Summary X 1. Deutsch: JAR Dateien erstellen. Viewed k times. So far I tried java -jar cf myJar.

Improve this question. Add a comment. 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.