Create or manage a java keystore file.
keytool -importkeystore \
-scrstoretype PKCS12 \
-srckeystore <source.p12> \
-destkeystore <store.jks>
keytool -import -keystore <store.jks> -file <cert.pem> -alias <name>
keytool -list
keytool -list <store.jks>
keytool -list -keystore <store.jks>