[java] Https connection system properties for connection to server with self-signed certificate

gistfile1.java

// keyStore (client cert)
System.setProperty("javax.net.ssl.keyStoreType"      , "pkcs12"); // corresponds to `.keyStore`
System.setProperty("javax.net.ssl.keyStore"          , "clientcert.p12");
System.setProperty("javax.net.ssl.keyStorePassword"  , "password"); // 
// trustStore (server cert)
System.setProperty("javax.net.ssl.trustStoreType"    , "jks"); // corresponds to `.trustStore`
System.setProperty("javax.net.ssl.trustStore"        , "servercert.keystore"); // path to server truststore, when the server cert is imported into
System.setProperty("javax.net.ssl.trustStorePassword", "password");

// The above code can be substituted with below parameters when starting the jvm
/**
-Djavax.net.ssl.keyStoreType=pkcs12
-Djavax.net.ssl.trustStoreType=jks
-Djavax.net.ssl.keyStore=clientcertificate.p12
-Djavax.net.ssl.trustStore=gridserver.keystore
-Djavax.net.debug=ssl # very verbose debug
-Djavax.net.ssl.keyStorePassword=$PASS
-Djavax.net.ssl.trustStorePassword=$PASS
*/