sudo apt update sudo apt install openjdk-11-jdk Verify that the JDK is installed correctly:
You can verify that jstack is available by running: install jstack on ubuntu
jstack -l <pid> Replace <pid> with the process ID of a Java process running on your system. You can find the process ID using the ps command: sudo apt update sudo apt install openjdk-11-jdk Verify
jstack -l If jstack is not recognized, you can add the JDK's bin directory to your system's PATH: install jstack on ubuntu
sudo nano /etc/environment Add the following line to the file: