1 Getting Started

The guide highlights the significant changes and enhancements done in JDK 26.

This guide contains the following sections:

• Significant Changes in the JDK

• Security Updates

• Removed APIs

• Removed Tools and Components

• Preparing for Migration

• Migrating from JDK 8 to Later JDK Releases

• Next Steps

Note:

• Check the Oracle JDK Certified System Configurations page for the latest supported platforms and OS versions.
• See Removed APIs, Tools, and Components before you start the migration process.
• See Be Aware of the Default Charset if you're upgrading to JDK 17 or later.