jar

https://docs.oracle.com/javase/8/docs/technotes/guides/jar/jar.html

• 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
• Class-Path attribute
• Package Sealing
• API Details
• See Also