You can install the default Ubuntu JDK or a specific version. is the current Long Term Support (LTS) version. To install the default JDK: sudo apt install default-jdk Use code with caution. Copied to clipboard To install a specific version (e.g., Java 11 or 17):
PATH=$PATH:/usr/lib/jvm/java-11-openjdk-amd64/bin install jstack on ubuntu
This will output a list of Java processes running on your system, along with their process IDs. You can install the default Ubuntu JDK or a specific version
If this returns a version number (e.g., javac 17.0.x ), jstack should already be available in your path. Try running jstack -help . If you see "command not found," proceed to the next step. 2. Update your package list Ensure your local package index is up to date: sudo apt update Use code with caution. Copied to clipboard 3. Install the JDK Copied to clipboard To install a specific version (e
To locate the exact binary:
sudo apt install openjdk-17-jdk