Java and some other object oriented programs makes use of the command line arguments. This enables one to pass additional information to a program when it is run. whatever information that is passed to the program at the command line argument will accompany the program when is it run and java stores this information as an array of strings.
This is the SMTP or the Simple Mail Transfer Protocol. It is the push protocol and is used to send the mail message. Whereas POP3 and IMAP are meant for retrieving the message. These are the three main types of protocols associated with mail services. And the correct answer here is certainly the SMTP.
