How can I use different certificates on specific connections?

How can I use different certificates on specific connections?

java ssl keystore truststore jsse

java

Keystore type: which one to use?

java security ssl jsse

java

Java client certificates over HTTPS/SSL

java ssl jsse sslhandshakeexception

java

scp via java

java scp bouncycastle jsse jsch

java

Registering multiple keystores in JVM

java ssl cryptography jvm jsse

java

java - path to trustStore - set property doesn't work?

java ssl keystore jsse truststore

java

java.lang.SecurityException: The jurisdiction policy files are not signed by a trusted signer

java jsse

java