Highlights include the following (source)
- Lambda expressions, a new language feature, enable you to treat functionality as a method argument, or code as data.
- Other significant enhancements and changes to the Java language and standard libraries have been added, including default methods, the new
java.util.streampackage, and the Date-Time API. - Compact Profiles contain predefined subsets of the Java SE platform and enable applications that do not require the entire Platform to be deployed and run on small devices.
- Security enhancements include updates to the Java Cryptography Architecture; limited doPrivileged, a mechanism that enables code to assert a subset of its privileges; SSL/TLS Server Name Indication (SNI) Extension; and keystore enhancements.
- JavaFX documentation has been updated for this release.
- A new JavaScript engine, Nashorn, is included in JDK 8.
- Java Mission Control 5.3 is included in JDK 8.
Other links
Java 8 Released
Java 8 Tutorial
5 Features In Java 8 That WILL Change How You Code
What you need to know about Lambdas in Java 8
Java 8 Released! — Lambdas Tutorial
4 ways to celebrate the release of JDK 8
O mínimo que você deve saber de Java 8
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