Montags and Clarisse's realtionship is weird. If she had not died I think they would have become a lot closer throughout the book. Clarisse seemed to bring out a different side of Montag. They way she would ask him questions and make things for him.
JKS stands for Java KeyStore. It is a repository of certificates (signed public keys) and [private] keys. You can export a certificate stored in a JKS file into a certificate file. You can use the keytool utility found in Java distributions to maintain your JKS trust and key repositories.
A JSON Web Key Set (JWK Set) document // is a JSON data structure for representing one or more JSON Web Keys (JWK). A JWK Set might, // for example, be obtained from an HTTPS endpoint controlled by the signer but this example // presumes the JWK Set JSONhas already been acquired by some secure/trusted means.