"Setting up the right Java version in a cloud-based development environment is an important task that many developers run into. Until recently, Oracle Cloud Infrastructure (OCI) Cloud Shell supported only a limited set of pre-installed Java runtimes. If you needed a different version-say for testing compatibility, debugging, or aligning with production environments-you were required to manually download, upload, extract, and configure the runtime."
"The Java Download Toolkit is a simple CLI-based utility that allows developers to download and configure any recent Oracle Java runtime version directly within OCI Cloud Shell. It uses the Java Download APIs of Java Management Service (JMS) to securely retrieve and install Java runtimes-both Long Term Support (LTS) and non-LTS versions. Why It Matters? Saves time: No more uploading and unpacking archives manually Increases flexibility: Choose any version you need, including archived versions from the past two years"
"Getting Started The Java Download Toolkit script is already available in your Cloud Shell. Prerequisites: An active OCI tenancy and access to Cloud Shell You can start the toolkit by running: Selecting a Java Version Once the script is executed, you'll see a list of the most current Oracle Java releases: Current Java Versions: 1) 24.0.1 2) 21.0.7 3) 17.0.15 ... 6) Show Archived Versions Enter the number corresponding to the version to install:"
OCI Cloud Shell previously included only a limited set of preinstalled Java runtimes, forcing developers to manually download, upload, extract, and configure alternate Java versions. Manual handling was tedious and error-prone and added friction for testing, debugging, and aligning with production environments. A CLI-based Java Download Toolkit automates acquiring and configuring Oracle Java runtimes directly within Cloud Shell. The toolkit leverages Java Download APIs of Java Management Service (JMS) to securely retrieve both LTS and non-LTS releases, including archived versions from the past two years. The workflow saves time, reduces errors, increases flexibility, and ensures token-authenticated, trackable downloads.
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