Table of Contents

• Title and Copyright Information
• Preface
  • Audience
  • Documentation Accessibility
  • Diversity and Inclusion
  • Related Documents
  • Conventions
• 1 Getting Started
• 2 Significant Changes in the JDK
  • Significant Changes in JDK 17 Release
  • Significant Changes in JDK 16 Release
  • Significant Changes in JDK 15 Release
  • Significant Changes in JDK 14 Release
  • Significant Changes in JDK 13 Release
  • Significant Changes in JDK 12 Release
  • Significant Changes in JDK 11 Release
• 3 Security Updates
  • Security Updates in JDK 17
  • Security Updates in JDK 16
  • Security Updates in JDK 15
  • Security Updates in JDK 14
  • Security Updates in JDK 13
  • Security Updates in JDK 11 and JDK 12
  • Security Updates in JDK 9 and JDK 10
    • JCE Jurisdiction Policy File Default is Unlimited
    • Create PKCS12 Keystores
• 4 Removed APIs
  • API Removed in Java SE 17
  • API Removed in Java SE 16
  • APIs Removed in Java SE 15
  • APIs Removed in Java SE 14
  • APIs Removed in Java SE 13
  • APIs Removed in Java SE 12
  • APIs Removed in JDK 11
  • APIs Removed in JDK 10
  • APIs Removed JDK 9
    • Removed java.* APIs
    • Removal and Future Removal of sun.misc and sun.reflect APIs
    • java.awt.peer Not Accessible
    • Removed com.sun.image.codec.jpeg Package
    • Removed Tools Support for Compact Profiles
    • Use CLDR Locale Data by Default
• 5 Removed Tools and Components
  • Tools and Components Removed and Deprecated in JDK 17
  • Tools and Components Removed and Deprecated in JDK 16
  • Tools and Components Removed and Deprecated in JDK 15
  • Features and Components Removed in JDK 14
  • Tools and Components Removed in JDK 13
  • Tools and Components Removed in JDK 12
  • Tools and Components Removed in JDK 11
  • Tools and Components Removed in JDK 9 and JDK 10
    • Removed Native-Header Generation Tool (javah)
    • Removed JavaDB
    • Removed the JVM TI hprof Agent
    • Removed the jhat Tool
    • Removed java-rmi.exe and java-rmi.cgi Launchers
    • Removed Support for the IIOP Transport from the JMX RMIConnector
    • Dropped Windows 32–bit Client VM
    • Removed Java VisualVM
    • Removed native2ascii Tool
• 6 Preparing For Migration
  • Download the Latest JDK
  • Run Your Program Before Recompiling
  • Update Third-Party Libraries
  • Compile Your Application if Needed
  • Run jdeps on Your Code
• 7 Migrating From JDK 8 to Later JDK Releases
  • Strong Encapsulation in the JDK
    • --add-exports
    • --add-opens
  • New Version-String Scheme
  • Changes to the Installed JDK/JRE Image
    • Changed JDK and JRE Layout
    • New Class Loader Implementations
    • Removed rt.jar and tools.jar
    • Removed Extension Mechanism
    • Removed Endorsed Standards Override Mechanism
    • Removed macOS-Specific Features
      • Platform-Specific Desktop Features
      • Removed AppleScript Engine
    • Windows Registry Key Changes
  • Deployment
    • Removed Launch-Time JRE Version Selection
    • Removed Support for Serialized Applets
    • JNLP Specification Update
  • Changes to Garbage Collection
    • Make G1 the Default Garbage Collector
    • Removed GC Options
    • Changes to GC Log Output
  • Running Java Applets
  • Behavior Change in Regular Expression Matching
  • Security Manager Deprecated for Removal
• 8 Next Steps