docs: Correctly say that by now Java 21 is required

Signed-off-by: Sebastian Schuberth <[email protected]>

Author: sschuberth

README.md

@@ -64,7 +64,7 @@ For detailed information, see the documentation on the [ORT Website](https://oss
 
 ORT is being continuously used on Linux, Windows and macOS by the [core development team](https://github.com/orgs/oss-review-toolkit/people), so these operating systems are considered to be well-supported.
 
-To run the ORT binaries (also see [Installation from binaries](#from-binaries)) at least Java 11 is required.
+To run the ORT binaries (also see [Installation from binaries](#from-binaries)) at least Java 21 is required.
 Memory and CPU requirements vary depending on the size and type of project(s) to analyze / scan, but the general recommendation is to configure Java with 8 GiB of memory and to use a CPU with at least 4 cores.
 
 ```shell
@@ -113,7 +113,7 @@ Alternatively, use the script at `scripts/docker_build.sh` which also sets the O
 
 Install these additional prerequisites:
 
-* Java Development Kit (JDK) version 11 or later; also remember to set the `JAVA_HOME` environment variable accordingly.
+* Java Development Kit (JDK) version 21 or later; also remember to set the `JAVA_HOME` environment variable accordingly.
 
 Change into the directory with ORT's source code and run `./gradlew installDist` (on the first run this will bootstrap Gradle and download all required dependencies).
 

website/docs/getting-started/installation.md

@@ -94,7 +94,7 @@ Alternatively, use the script at `scripts/docker_build.sh` which also sets the O
 
 Install these additional prerequisites:
 
-* Java Development Kit (JDK) version 11 or later; also remember to set the `JAVA_HOME` environment variable accordingly.
+* Java Development Kit (JDK) version 21 or later; also remember to set the `JAVA_HOME` environment variable accordingly.
 
 Change into the directory with ORT's source code and run `./gradlew installDist` (on the first run this will bootstrap Gradle and download all required dependencies).
 

website/docs/getting-started/runtime-requirements.md

@@ -6,7 +6,7 @@ sidebar_position: 2
 
 ORT is being continuously used on Linux, Windows and macOS by the [core development team](https://github.com/orgs/oss-review-toolkit/people), so these operating systems are considered to be well-supported.
 
-To run the ORT binaries (also see [Installation from binaries](installation.md#from-binaries)) at least Java 11 is required.
+To run the ORT binaries (also see [Installation from binaries](installation.md#from-binaries)) at least Java 21 is required.
 Memory and CPU requirements vary depending on the size and type of project(s) to analyze / scan, but the general recommendation is to configure Java with 8 GiB of memory and to use a CPU with at least 4 cores.
 
 ```shell

website/docs/getting-started/tutorial.md

@@ -24,7 +24,7 @@ It will guide through the main steps for running ORT:
 ORT is tested to run on Linux, macOS, and Windows.
 This tutorial assumes that you are running on Linux, but it should be easy to adapt the commands to macOS or Windows.
 
-In addition to Java (version >= 11), for some supported package managers and Version Control Systems, additional tools need to be installed.
+In addition to Java (version >= 21), for some supported package managers and Version Control Systems, additional tools need to be installed.
 In the context of this tutorial, the following tools are required:
 
 * Git (any recent version will do)