Certificate interfaces enable developers to build tools for parsing certificates, enforcing their own site-specific certificate policies, and managing local databases of certificates. X.509 v3 implementation of the new, supported certificate interfaces. Keys and certificates are used to digitally sign your applications and applets. A keystore is a protected database that holds keys and certificates. It accesses the keystore when it needs to find the key when signing a JAR file.
Accessibility is built-in to Swing components.
All Swing components implement the Java Accessibility API . Mouseless operation support is built into the Swing components. All Swing components can be operated entirely from the keyboard. Java 2D API is a set of classes for advanced 2D graphics and imaging. It encompasses line art, text, and images in a single comprehensive model.