Multiple versions of Java are installed our systems. The default is JDK8. If you want to switch the default version of Java that the default java commands will operate on, use the “chjava” command (change java).

Here are some examples:

<code> % chjava

Available JDK Versions:

0. always use default JDK, presently jdk8 (*) 1. jdk8 2. jdk11 3. jdk17

Select JDK Version (0-3):

% javac -version javac 1.8.0_202 % chjava

Available JDK Versions:

0. always use default JDK, presently jdk8 (*) 1. jdk8 2. jdk11 3. jdk17

Select JDK Version (0-3): 2 JDK set to jdk11.

% javac -version javac 11.0.13 % chjava

Available JDK Versions:

0. always use default JDK, presently jdk8 1. jdk8 2. jdk11 (*) 3. jdk17

Select JDK Version (0-3): 3 JDK set to jdk17.

brayden 380 % javac -version javac 17.0.1 brayden 381 % chjava default JDK set to default. % chjava jdk17 JDK set to jdk17. javac -version javac 17.0.1