JavaWorld Core Java

• What's new in Kotlin 1.2? Code reuse, for starters October 3, 2017
  Version 1.2 of the statically typed Kotlin language, will offer an experimental feature enabling reuse of code across platforms, as well as compatibility with the Java 9 module system. The beta of Kotlin 1.2 is now available for download.Kotlin’s experimental multiplatform projects capability lets developers reuse code between supported target platforms: JVM and JavaScript initially, […]
• Java debugging comes to Visual Studio Code October 2, 2017
  Microsoft has released a Java debugger for its free open source editor, Visual Studio Code. The newly minted extension is intended to work as a companion to the Language Support for Java extension provided by Red Hat.  Whereas Red Hat’s Language Support for Java extension provides IntelliSense capabilities and Java project support, it does not include debugging capabilities. […]
• Web services in Java SE, Part 4: SOAP with Attachments API for Java September 26, 2017
  Parts 1 through 3 of this four-part series on developing Web services in Java SE first presented an overview of Web services and Java SE's support for developing them. The series then focused on developing SOAP-based and RESTful Web services via this support. Part 4 wraps up this series by focusing on advanced topics.This article […]
• Java 9 is here: Everything you need to know September 21, 2017
  Java 9—formally, Java Platform Standard Edition version 9—is finally here, and its Java Development Kit (JDK) is available for developers to download.It has several important if controversial new features, but is also the last of the line for the old style of Java delivery.Where to download the Java 9 JDK Oracle has posted the Java […]
• Web services in Java SE, Part 3: Creating RESTful Web services September 2, 2017
  Part 2 of this four-part series on Java SE Web services showed how to use the JAX-WS API to develop SOAP-based Web services. JAX-WS also supports RESTful-based Web services, which this article shows how to develop. It first defines and then builds and runs a library Web service, and next defines, builds, and runs a […]
• The case for Oracle to cede control of Java SE September 1, 2017
  Now that Oracle wants to turn over leadership of enterprise Java’s (Java EE’s) development to a still-unnamed open source foundation, might the same thing happen with the standard edition of Java (Java SE) that Oracle also controls? Such a move could produce substantial benefits. But it does not seem unlikely, at least at the moment.Oracle […]
• Jenkins Blue Ocean UI to provide code quality insights August 31, 2017
  Blue Ocean, the new user interface for the popular Jenkins continuous integration and continuous delivery (CI/CD) platform, will begin incorporating insights into code quality trends and static analyses, under an improvement plan detailed this week by the project’s creator.The goal is to improve the developer’s visibility into the health of software projects, Blue Ocean creator […]
• Java 101: Datastructures and algorithms in Java, Part 1 August 10, 2017
  Datastructures and algorithms are essential to computer science, which is the study of data, its representation in memory, and its transformation from one form to another. In programming, we use datastructures to store and organize data, and we use algorithms to manipulate the data in those structures. The more you understand about datastructures and algorithms, […]
• 21 technologies transforming software development August 3, 2017
  A long time ago, developers wrote assembly code that ran fast and light. On good days, they had enough money in their budget to hire someone to toggle all those switches on the front of the machine to input their code. On bad days, they flipped the switches themselves. Life was simple: The software loaded […]
• Web services in Java SE, Part 1: Tools overview July 21, 2017
  Java Standard Edition (SE) 6 included support for Web services. This post begins a four-part series on Web services in Java SE by explaining what Web services are and overviewing Java SE's support for them. Future posts will use this support to build SOAP-based and RESTful-based Web services, and will also cover advanced Web service […]