Java C0nsole in Windows
To activate the java console in Windows 8 and later, just type “Configure Java” in the search engine and click on the icon that will appear with this name.
Then, in the “Advanced” tab, the default java Console is disabled, select “View Console”.
To activate the java console in Windows 7, we must go to Start > Control Panel > Java Control Panel.
In the “Advanced” tab, the Java Console which is disabled by default, select “View console”.
Or use the search shortcut: Start > Control Panel > Search for “java preferences”.
Java Console in Linux
To activate the Java console in Linux we must go to System > Preferences > Java Control Panel.
In the “Advanced” tab, in the Java Console which is disabled by default, select “View console”.
Java Console in Mac OS
To activate the Java console in macOS, go to Applications > Utilities > Java and select “Java Preferences”.
Or, use the quick shortcut with Spotlight (cmd + spacebar), and search for “Java Preferences”.
In the “Advanced” tab, in the Java Console, which is disabled by default, select “View console”.