Learn how to use synchronous and asynchronous callbacks in Java—including callbacks with lambda expressions, CompletableFuture, and more.

By a 6-2 vote, the nation's highest court held that Google's copying of Oracle's Java API was fair use. The ruling means Google won't have to pay billions of dollars in damages to Oracle.

Java 9 introduces the Stack-Walking API as a more performant and capable alternative to the StackTraceElement – and SecurityManager -related APIs.