Appendix G. Using the jarsigner Tool
This appendix shows you how to use the jarsigner tool of the Java 2 platform to sign JAR files. It can also be used as a command-line reference for the jarsigner tool.
JAR Files
A JAR file is a compressed archive file that is created using the Java archive tool (jar), which is similar to the PKZIP program developed by Phil Katz. It combines multiple files into a single archive file that is compressed using the ZLIB compression library. Although jar is a general-purpose file archive and compression tool, its main purpose is to combine the files used by an applet, application, or API into a single compressed file for efficient loading by a Java-enabled Web browser.
Using JAR files with applets can greatly improve ...
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