JDK (Java Development Kit)¶

Install¶

Install Java using SDKMAN with the following command:

sdk install java 21.0.2-tem

Usage¶

Version listing¶

To list all available Java versions, use:

sdk list java

To list all installed and local Java versions, use:

sdk list java | awk 'NR<=5 || tolower($0) ~ /installed|local only/'

Version switching¶

To use a specific Java version, use:

sdk use java 21.0.2-tem

To set a specific Java version as the default, use:

sdk default java 21.0.2-tem

Configuration¶

Certificates¶

To list the certificates in the keystore, use the following command:

keytool -list -keystore [keystore] -storepass [storepass]

To add a certificate to the keystore, use the following command:

keytool -import -alias [alias] -keystore [keystore] \ 
        -storepass [storepass] -file [certificate]