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This topic is about Java 13 – Miscellaneous Changes.

Java 13 have introduced three new methods to java.nio.file.FileSystems to treat the content of a file as a file system easily.

• newFileSystem(Path)
• newFileSystem(Path, Map<String, ?>)
• newFileSystem(Path, Map<String, ?>, ClassLoader)

Following are other major changes added to language.

• java.time – Japanese era name added
• javax.crypto – MS Cryptography Next Generation (CNG)support
• javax.security – jdk.sasl.disabledMechanisms property added disabling SASL mechanisms
• javax.xml.crypto – String constants introduced to represent Canonical XML 1.1 URIs
• javax.xml.parsers – Methods added to instantiate DOM and SAX factories for namespaces support
• Unicode support is upgraded to version 12.1
• Kerberos principal name canonicalization support added, cross-realm referrals are supported.

API marked for Removal

• SocketImpl implementations prior to JDK 1.4
• javax.security.cert API
• rmic
• javadoc tool old features

Other details are available at following link.APIs proposed for removal.

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