Wednesday Sep 25, 2013

JavaOne 2013: Converting to the New Date-Time APIs

On Wednesday, September 25th, Xeuming Shen (Oracle), Roger Riggs (Oracle), and Stephen Colebourne (OpenGamma), gave a presentation entitled Converting to the New Date and Time API in JDK 8 [CON6091]. The new Date-Time APIs coming in the JDK 8 release provide an entirely new model for writing date and time code. This session focused on tips and techniques for converting date and time code that was written using the java.util classes, to the new java.time packages.

For more information on the new Date-Time APIs, see the new Date-Time trail in the Java Tutorial. The Legacy Date-Time Code page may be of special interest.

JavaOne 2013: Java Flight Recorder Behind the Scenes

Staffan Larsen, Java Serviceability Architect, Oracle, presented the conference Java Flight Recorder Behind the Scenes [CON5091] , which discusses in detail a new diagnostics tool that is available in the latest JDK 7 update. For more information about this tool, see the Java SE Java Flight Recorder Runtime Guide in the Java SE 7 Documentation.

JavaOne 2013: The Curious Case of JavaScript on the JVM and Teaching the Java Platform with Nashorn

During JavaOne 2013, the following conferences about the Nashorn engine, which can be used to interpret JavaScript code in a Java application or from the command line, were presented:

For more information about Nashorn, see the following sections in the JDK 8 Early Access documentation:

JavaOne 2013: Enhanced Metadata (Annotations) in Java SE 8

On Wednesday, September 25th, Alex Buckley (Oracle), Joe Darcy (Oracle), and Michael Ernst (University of Wisconsin), gave a presentation entitled Enhanced Metadata in Java SE 8 [CON1861]. This presentation outlined the improvements coming to the metadata features of the Java language, specifically type annotations and repeating annotations.

For more information about these new features, see the Annotations lesson in the Java tutorial.

JavaOne 2013: Lambda Expressions

Many conferences and hands-on lab sessions at JavaOne 2013 today feature lambda expressions, such as the following:

For more information about lambda expressions, see the following sections in the Java Tutorials:

Preview the Streams API in the java.util.stream package in the JDK 8 Early Access documentation.

JavaOne 2013: Developing Custom UI Controls

Today, David Grieve will be giving a hands-on-lab to teach how to develop a custom UI control from the ground up. This lab will examine the different approaches to building and customizing a UI control in JavaFX.

In addition to this lab, you can review the JavaFX UI Controls tutorial and the chapter titled Customization of UI Controls. This chapter describes the aspects of UI control customization and summarizes some tips and tricks provided by Oracle to help you modify the appearance and behavior of UI controls.

If your application involves graphical charts, review the Styling Charts with CSS chapter of the JavaFX Charts tutorial to learn more about customization of the JavaFX charts.

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