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Every Java developer needs a programming editor or IDE that can assist with the grungier parts of writing Java and using class libraries and frameworks. Deciding which editor or IDE will best suit you depends on several things, including the nature of the projects under development, your role in the organization, the process used by the development team, and your level and skills as a programmer. Additional considerations are whether the team has standardized on tools, and your personal preferences. The three IDEs most often chosen for server-side Java development are IntelliJ IDEA, Eclipse, and NetBeans. These aren't the only choices, however, and this review will include some lightweight IDEs as well. For this review I did fresh installations of IntelliJ IDEA Ultimate 2016.2, Eclipse Neon Java EE, and NetBeans 8.1 Java EE on a MacBook Pro. I also checked out several open source Java projects so that I could test all of the IDEs on the same projects.
Basics: What you need from a Java IDE At a minimum, you would hope that your IDE supports Java 8, Scala, Groovy, and any other JVM languages you regularly use. You'd also want it to support the major application servers and the most popular web frameworks, including Spring MVC, JSF, Struts, GWT, Play, Wicket, Grails, and Vaadin. Your IDE should be compatible with whatever build and version control systems your development team uses, for example Ant, Maven and/or Gradle, along with Git, SVN, CVS, Mercurial, and/or Bazaar.
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For extra credit, your IDE should be able to handle the client and database layers of your stack, supporting embedded JavaScript, TypeScript, HTML, SQL, JavaServer Pages, Hibernate, and the Java Persistence API. Finally, you would hope that your Java IDE lets you edit, build, debug, and test your systems with ease and grace.
Ideally, you'd not only have intelligent code completion, but refactoring and code metrics. If you're in a shop that does test-driven development, you want support for your testing frameworks and stubbing. If your group uses a ticket system and CI/CD, it's best if your IDE can connect to them. If you need to deploy to and debug on containers and clouds, your IDE should help you do so. Smartphone flash tool download.
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With that foundation in mind, let us consider the contenders. IntelliJ IDEA, the premier Java IDE in terms of both features and price, comes in two editions: the free Community edition, and the paid Ultimate edition, which has additional features. [ ] The Community edition is intended for JVM and Android development. It supports Java, Kotlin, Groovy, and Scala; Android; Maven, Gradle, and SBT; and Git, SVN, Mercurial, and CVS. The Ultimate edition, intended for web and enterprise development, supports Perforce, ClearCase, and TFS in addition to Git, SVN, Mercurial, and CVS; supports JavaScript and TypeScript; supports Java EE, Spring, GWT, Vaadin, Play, Grails, and other frameworks; and includes database tools and SQL.
The idea is that the commercial (Ultimate) edition will earn its place on a professional's desktop, justifying a paid subscription through increased programmer productivity. If you are earning $50-100K per year as a Java developer, it doesn't take much of a productivity boost to give you a quick ROI on a $500/year business IDEA subscription. The price goes down in subsequent years for businesses, is much lower for startups and individuals, and is free for students, teachers, 'Java champions,' and open source developers. IntelliJ touts IDEA for deep insight into your code, developer ergonomics, built-in developer tools, and a polyglot programming experience.
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Let's drill down and see what these features mean, and how they can help you. IntelliJ IDEA shows a number of warnings and suggestions based on a lint-like static analysis of your Java code. You can expand these by clicking on them, as shown here; in many cases you'll also get a pick-list of quick-fix actions. Notice the elision of imports, the highlighting of embedded HTML tags, and the wide range of functionality evident from the top menu. Deep insight into your code Syntax coloring and simple code completion are a given for Java editors. IDEA goes beyond that to provide 'smart completion,' meaning that it can pop up a list of the most relevant symbols applicable in the current context. These are ranked by your personal frequency of use.