how to set the java_home in mac

To set the JAVA_HOME environment variable in macOS, follow these steps:

1. Open the Terminal app.
2. Type the following command to open the bash_profile file in a text editor:

nano ~/.bash_profile

3. Scroll to the bottom of the file and add the following line, replacing /path/to/java with the path to the Java installation directory:

export JAVA_HOME=/path/to/java

4. Press Ctrl + O to save the file and Ctrl + X to exit the text editor.

5. Reload the bash_profile file by typing the following command:

source ~/.bash_profile

6. To verify that the JAVA_HOME environment variable has been set correctly, type the following command:

echo $JAVA_HOME

This should print the path to the Java installation directory that you set in the bash_profile file.

Note: The bash_profile file is a hidden file in your home directory that is executed every time you start a new Terminal session. You can use the bash_profile file to set environment variables, such as JAVA_HOME, that you want to be available every time you start a new Terminal session.