Getting Started with Java in VS Code
This tutorial shows you how to write and run Hello World program in Java with Visual Studio Code. It besides covers a few advance features, which you can explore by reading other documents in this section .
For an overview of the features available for Java in VS Code, see Java Language Overview .
If you run into any issues when following this tutorial, you can contact us by entering an issue .
Setting up VS Code for Java development
Coding Pack for Java
To help you set up quickly, you can install the Coding Pack for Java, which includes VS Code, the Java Development Kit ( JDK ), and necessity Java extensions. The Coding Pack can be used as a clean facility, or to update or repair an existing development environment.
Install the Coding Pack for Java – Windows
Install the Coding Pack for Java – macOS
Note : The Coding Pack for Java is entirely available for Windows and macOS. For other operating systems, you will need to manually install a JDK, VS Code, and Java extensions .
If you are an existing VS Code exploiter, you can besides add Java subscribe by installing the Extension Pack for Java, which includes these extensions :
Install the Extension Pack for Java
The Extension Pack for Java provides a Quick Start guide and tips for code edit and debug. It besides has a FAQ that answers some frequently asked questions. Use the dominate Java: Tips for Beginners from the Command Palette ( ⇧⌘P ( Windows, Linux Ctrl+Shift+P ) ) to launch the guidebook .
You can besides install extensions individually. The Extensions Guide is provided to help you. You can launch the usher with the Java: Extensions Guide command .
For this tutorial, the only command extensions are :
Installing and setting up a Java Development Kit (JDK)
To use Java within Visual Studio Code, you need to install a Java Development Kit ( JDK ) on your local environment. JDK is a software growth environment used for developing Java applications .
Supported Java versions
The Extension Pack for Java supports Java translation 1.5 or above.
Installing a Java Development Kit (JDK)
If you have never installed a JDK before and need to install one, we recommend you to choose from one of these sources :
Creating a source code file
Create a folder for your Java program and open the folder with VS Code. then in VS Code, create a new charge and save it with the name
Hello.java. When you open that charge, the Java Language Server automatically starts load, and you should see a load picture on the right side of the Status Bar. After it finishes loading, you will see a thumbs-up icon .
Note : If you open a Java file in VS Code without opening its booklet, the Java Language Server might not work by rights .
VS Code will besides try to figure out the compensate software for the newly type and fill the fresh file from a template. See create new file .
You can besides create a Java project using the Java: Create Java Project command. Bring up the Command Palette ( ⇧⌘P ( Windows, Linux Ctrl+Shift+P ) ) and then type
java to search for this command. After selecting the command, you will be prompted for the localization and mention of the project. You can besides choose your build up tool from this command .
ocular Studio Code besides supports more complex Java projects — see Project Management .
Editing source code
You can use code snippets to scaffold your classes and methods. VS Code besides provides IntelliSense for code completion, and respective refactor methods .
To learn more about editing Java, see Java Editing .
Running and debugging your program
To run and debug Java code, set a breakpoint, then either weight-lift F5 on your keyboard or use the Run > Start Debugging menu token. You can besides use the Run|Debug CodeLens choice in the editor. After the code compiles, you can see all your variables and threads in the Run view .
The debugger besides supports advance features such as Hot Code Replace and conditional breakpoints.
For more data, see Java Debugging .
The editor besides has many more capabilities to assist with your Java workload .
- Editing Java explains how to navigate and edit Java in more details
- Debugging illustrates all the key features of the Java Debugger
- Testing provides comprehensive support for JUnit and TestNG framework
- Java Project Management shows you how to use a project view and work with Maven
- Spring Boot and Tomcat and Jetty demonstrate great framework support
- Java Web Apps shows how to work with Java Web App in VS Code