If a class A contains an instance variable whose type is class B, you say that B has an A.
Answer the following statement true (T) or false (F)
False
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Look carefully at how messages and mailboxes are represented in the email system that you use. Model the object classes that might be used in the system implementation to represent a mailbox and an e-mail message.
What will be an ideal response?
Use the _________ PHP function to convert a date and time to a UNIX timestamp.
a. mktime() b. strftime() c. microtime() d. gmmktime()
A file that contains organized data is called a data ________
A) merge B) file C) source D) master
Joe, a user, wants to send Ann, another user, a confidential document electronically. Which of the following should Joe do to ensure the document is protected from eavesdropping?
A. Encrypt it with Joe’s private key B. Encrypt it with Joe’s public key C. Encrypt it with Ann’s private key D. Encrypt it with Ann’s public key