Java SE APIs

Java SE APIs news, information, and how-to advice

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ChoiceFormat: Numeric range formatting

Learn how to use ChoiceFormat and its patterns to customize the formatting of numeric ranges in your Java programs.

Big Java news in late summer 2014

Java modularity and updated JVM performance options spark developer interest in Java EE 8 and Java 9.

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Why developers should get excited about Java 9

The next generation of the enterprise development platform will feature major improvements, including modularity and API updates.

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Iterating over collections in Java 8

Get an overview of Java iterators and how each version of Java handles them differently, including what you can do with the new forEach() method and Stream API features in Java 8.

Oracle to release 115 security patches

Oracle plans to release 115 security patches on Tuesday, for vulnerabilities affecting a wide array of its products, including its flagship database, Java SE, Fusion Middleware and business applications.

Next generation Project Valhalla proposed

Proposed by Brian Goetz, Project Valhalla would provide long-term structure and support for evolving the Java language and platform. Voting by current OpenJDK members closes on July 7.

Java Q&A: The ultimate superclass, Part 3

This post completes a three-part series in which I present and answer questions about Object and its methods.

Java incubator to explore technologies for Java 10 and beyond

Proposed by Brian Goetz on the openjdk mailing list, Project Valhalla would explore and incubate long-term improvements to the Java language.

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Project Panama builds a bridge between Java and C/C++

Project Panama would provide a native interconnect between code managed by the JVM and APIs for non-Java libraries, including C, C++, Windows, Linux, and Solaris APIs.

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One now, two later: Groovy updates add Java 8 support

New Groovy 2.3 release supports Java 8, but developers must wait for the functional interfaces that will support lambda expressions in Groovy 3.0.

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Do more with less: Lambda expressions in Java 8

Decide for yourself whether Java 8's new functional syntax is worth learning, with this quick primer on using lambda expressions to iterate through, filter, and extract data in Java Collections.

Abstract class versus interface in the JDK 8 era

The difference between abstract classes and interfaces has long vexed Java developers. Find out how Java 8's default methods introduce both new complexity and new options to that familiar programming conundrum.

Video: Functions as first-class values in Java 8

Java 8 treats methods as first-class citizens, which makes Java programming both more flexible and more functional. Get a quick video introduction to programming with first-class methods and using lambdas to express behaviors from the...

Reality check: Java 8 finally catches a multicore break

Java 8's lambda expressions make building multicore applications a reality for Java programmers, who can now access multicore support directly from the JDK libraries. The change may be late in coming, but better late than never.

What will Java 8 do to your code?

Java 8 is here -- so let's start kicking the tires and find out how it really works.

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Java 8 officially arrives at last

Oracle's long-anticipated update includes addition of lambda expressions and shift to functional programming language.

Java 101: The next generation: The essential Java language features tour, Part 3

Get introduced to the last but not least of new features that have improved Java's productivity since JDK 5: Autoboxing and unboxing, the enhanced for loop, static imports, varargs, and covariant return types.

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Survey: Developers eager for Java 8

Lambda capabilities are the most anticipated new feature, while JavaScript addition lags far behind in popularity.

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