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title description ms.topic ms.date adobe-target adobe-target-activity adobe-target-experience adobe-target-content ms.devlang ms.custom
Create a Java function using Visual Studio Code - Azure Functions
Learn how to create a Java function, then publish the local project to serverless hosting in Azure Functions using the Azure Functions extension in Visual Studio Code.
quickstart
06/03/2024
true
DocsExp–386541–A/B–Enhanced-Readability-Quickstarts–2.19.2021
Experience B
./create-first-function-vs-code-java-uiex
java
mode-api, vscode-azure-extension-update-complete, devx-track-extended-java

Quickstart: Create a Java function in Azure using Visual Studio Code

[!INCLUDE functions-language-selector-quickstart-vs-code]

In this article, you use Visual Studio Code to create a Java function that responds to HTTP requests. After testing the code locally, you deploy it to the serverless environment of Azure Functions.

If Visual Studio Code isn't your preferred development tool, check out our similar tutorials for Java developers:

Completing this quickstart incurs a small cost of a few USD cents or less in your Azure account.

Configure your environment

Before you get started, make sure you have the following requirements in place:

[!INCLUDE functions-requirements-visual-studio-code-java]

[!INCLUDE functions-install-core-tools-vs-code]

Create your local project

In this section, you use Visual Studio Code to create a local Azure Functions project in Java. Later in this article, you'll publish your function code to Azure.

  1. In Visual Studio Code, press F1 to open the command palette and search for and run the command Azure Functions: Create New Project....

  2. Choose the directory location for your project workspace and choose Select. You should either create a new folder or choose an empty folder for the project workspace. Don't choose a project folder that is already part of a workspace.

  3. Provide the following information at the prompts:

    Prompt Selection
    Select a language Choose Java.
    Select a version of Java Choose Java 8, Java 11, Java 17 or Java 21, the Java version on which your functions run in Azure. Choose a Java version that you've verified locally.
    Provide a group ID Choose com.function.
    Provide an artifact ID Choose myFunction.
    Provide a version Choose 1.0-SNAPSHOT.
    Provide a package name Choose com.function.
    Provide an app name Choose myFunction-12345.
    Select a template for your project's first function Choose HTTP trigger.
    Select the build tool for Java project Choose Maven.
    Provide a function name Enter HttpExample.
    Authorization level Choose Anonymous, which lets anyone call your function endpoint. For more information, see Authorization level.
    Select how you would like to open your project Choose Open in current window.

  4. Visual Studio Code uses the provided information and generates an Azure Functions project with an HTTP trigger. You can view the local project files in the Explorer. For more information about the files that are created, see Generated project files.

[!INCLUDE functions-run-function-test-local-vs-code]

After you've verified that the function runs correctly on your local computer, it's time to use Visual Studio Code to publish the project directly to Azure.

[!INCLUDE functions-sign-in-vs-code]

[!INCLUDE functions-publish-project-vscode]

[!INCLUDE functions-vs-code-run-remote]

[!INCLUDE functions-cleanup-resources-vs-code.md]

Next steps

You have used Visual Studio Code to create a function app with a simple HTTP-triggered function. In the next article, you expand that function by connecting to Azure Storage. To learn more about connecting to other Azure services, see Add bindings to an existing function in Azure Functions.

[!div class="nextstepaction"] Connect to an Azure Storage queue