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.
One Methods:Running a .jar File in LinuxCommunity Q&A. .jar files are used for archiving and archive unpacking. One of the essential features of .jar file is loss-less data compression. If you want to run a .jar java file, then you have to install it and make it executable before you can proceed.