1. Go to https://www.oracle.com/in/java/technologies/downloads choose mac
2. download and click on install
3. once installed open the terminal
4. check if java is installed

java --version

5. In the terminal write the following

a. touch ~/.zshenv

then

b. open ~/.zshenv

Once you execute the above 2 commands a new window will open where you need to set the home variable, write the code in the screenshot below

export JAVA_HOME=$(/usr/libexec/java_home)

finally when you run the command you will see the JDK

echo $JAVA_HOME

6. After the setup write a small program and check if you are able to run JAVA programs