JDK 9 Hidden Gems

Mikael Vidstedt and Sandhya Viswanathan talk about JDK 9 optimizations spanning support for larger vectors
01 November 2017   1448

What does JDK 9 mean to you? Modularization is the first thing that comes to mind, but there is a lot more. Come discover less-well-known but important technologies that Oracle has been working on with partners such as Intel to provide a higher-performance, lower-footprint, scalable Java with JDK 9.

This session talks about JDK 9 optimizations spanning support for larger vectors with enhanced vectorization, optimized math libraries, cryptography and compression acceleration, compact strings, new APIs with associated optimized implementation, and many more features that help big data, cloud, microservices, HPC, and FSI applications.

Speakers are:

  • Mikael Vidstedt, JVM Architect, Oracle
  • Sandhya Viswanathan, Senior Staff Software Engineer, Intel Corporation


What's new in IntelliJ IDEA 2018.2?

New version of popular IDE improved Spring and Spring Boot support
18 July 2018   104

The new version of IDE IntelliJ IDEA from JetBrains under the number 2018.2 has introduced several functions for developers using Spring and Spring Boot frameworks. Among the innovations: support for Spring Integration, runtime diagrams, library bin management and many minor fixes and improvements.

New features of IntelliJ IDEA

Now you can visualize the components in the system using the new Spring Integration diagram. All versions above 5.0 are supported.

Spring Integratio Diagram
Spring Integration Diagram

It shows all the gateways, channels and bridges of the application, regardless of whether they are configured using Java or XML annotations.

The IDE also received code completion and navigation for such integration annotations as @BridgeTo/From and @EnablePublisher:

Integration Annotations
Integration Annotations

In the new version of IntelliJ IDEA, you can view the dependencies during the execution of the Spring Boot application as a diagram through the control panel. To do this, go to the "Endpoints" section and enable the "Diagram Mode" function:

Runtime Dependencies
Runtime Dependencies

If there are too many beans in the project, the non-user codes can be disabled using the new "Show / Hide Library Beans" switch:

Show / Hide library beans
Show / Hide library beans

In addition, in 2018.2, you can start, modify, and test the display of HTTP requests in the "Endpoints" tab:

HTTP request
HTTP request

A complete list of improvements and changes is available in the technical update document. According to the developers, a lot of work has been done to improve performance in large projects.