Language Server for Java by Apache NetBeans installs statistics

Apache NetBeans Language Server Extension for VS Code

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This is Apache NetBeans Language Server extension for VS Code. Use it to get all the goodies of NetBeans via the VS Code user interface! Runs on JDK21 and all newer versions.

Apache NetBeans Language Server brings full featured Java development (edit-compile-debug & test cycle) for Maven and Gradle projects to VSCode. As well as other features.

Getting Started

1. Use command Java: JDK Configuration to set same JDK in Apache NetBeans Language Server and all other Java settings in VSCode like Integrated terminal JAVA_HOME and PATH, Maven Runtime and JDK for MS Java as well if installed:

   1. Select installed JDK to use for these settings in step 2/3
   2. In step 3/3 select if settings will be applied at User level for all Workspaces (Folders open) or for current Workspace (Folder) only.
   3. NetBeans Language Server JDK Home setting netbeans.jdkhome is also available in VSCode | Preferences | Settings ... Netbeans: Jdkhome . More below in section Selecting the JDK
   4. Setting netbeans.project.jdkhome holds a path to a JDK that is used as a default platform for opened folder/workspace (e.g. Java project). To avoid possible issues with default platform changing (i.e. changes from JDK21 to JDK8), NBLS is restarted when netbeans.project.jdhome changes.

2. Use Java: New Project... " command to start creating new project, or

3. Open the folder with existing pom.xml for Maven or Gradle project files (build.gradle, gradle.properties).

   • Language Server opens the project, performs priming build and might ask for Resolving problems, usually related to opening subprojects etc.

4. Or simply create a new Java class file with public static void main(String[] args) method in opened folder and start coding, compiling, debugging. Works on JDK 8 and newer.

Supported Actions

• Java: New Project... allows creation of new Maven or Gradle project
• Java: New from Template... add various files to currently selected open project. Files are:
  • Java - broad selection of various predefined Java classes
  • Unit tests - JUnit and TestNG templates for test suites and test cases
  • HTML5/JavaScript - Templates for JS, HTML, CSS,... files
  • Other - various templates for JSON, YAML, properties, ... files
• Java: Compile Workspace - invoke Maven or Gradle build
• Debugger Java+... - start main class or test on selected JDK. More in Debugger section
• Progress shown for long running operations with cancel support for selected types
• Native Image Debugger is a new Run configuration added which allows Java style debugging of Ahead of Time compiled native-images, produced by GraalVM. It is experimental feature which works with GDB on Linux. GDB 7.11 or GDB 10.1+ is required due to known issue #26139 in GDB 8 and 9.
  • It is also possible to attach to running native image process using Attach to Native Image launch configuation.
• Micronaut and Spring support especially for YAML configuration files with code completion and source code navigation to Java.
• Test Explorer for Java tests results visualization and execution including editor code Lenses.
• Maven and Gradle support including multi-project projects, subprojects opening and Gradle priming builds.

Project Explorer

Project Explorer provides an overview of logical project structure, groups sources together and greatly simplifies Java package structure exploration. Project Explorer is an addition to the classical workspace explorer. Use it to build, test, execute and operate your Maven and Gradle Java projects.

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