What are the steps for installing JDK in Docker?

The steps to install JDK are as follows:

1. In a Docker container, installing JDK
   You can define the build steps of a Docker image using a Dockerfile. In the Dockerfile, you can use the following command to install JDK:
2. Using the latest version of Ubuntu, update the package manager and then install the openjdk-8-jdk package.
3. Build a Docker image by running the following command in the directory containing the Dockerfile:
4. Build a Docker image named “myjdkimage” using the current directory.
5. Run a Docker container and mount JDK to a specified directory using the following command.
6. Run a container with the image named “myjdkimage” in interactive mode, connecting the host folder to the container folder.
7. Verify JDK Installation
   In a Docker container, you can verify if JDK has been successfully installed by using the following command:
8. What version of Java do you have?

The above are the basic steps for installing JDK, you can customize the installation and configuration according to your own needs and environment.