JAR File Specification
From:http: // docs.oracle.com/javase/1.3/docs/guide/jar/jar. html JAR File Specification Contents Introduction The META-INF directory Name-Value pairs and Sections JAR Manifest Overview Manifest Specification Main Attributes Per-Entry Attributes Signed JAR file Overview Signature File Signature validation The Magic Attribute Digital Signatures Notes on Manifest and Signature Files JAR Index Overview Index File Specification Backward Compatibility Service Provider Overview Provider Configuration File Example API Details See Also Introduction JAR file is a file format based on the popular ZIP file format and is used for aggregating many files into one. A JAR file is essentially a zip file that contains an optional META-INF directory. A JAR file can be created by the command-line jar tool, or by using the java.util.jar API in the Java platform. There is no restriction on the name of a JAR file, ...