Output Directory = Wherever you want your client.jar to be
Change demorpg.jar to whateveryouwant.jar
Input Directory = Where your client class files are located
Manifest Template > Main Class = Client
Create Jar
JAR SIGNER tab
JarSigner location, in your program files in c:/
Generate Keystore
KeyTool location, same place as JarSigner
OutPut Keystore File = Same place as your whatever.jar
Keystore Alias = Server Name
Public Key = Password 1
Private Key = Password 2
Erase COMMON NAME, ORGANIZATION UNIT, ORGANIZATION NAME, CITY, PROVINCE
Generate Keystore
Keystore Authentication
Enter in Keystore Alias and two passwords
Sign JAR!
Run .jar