[CD] Write an XML document for the DTD created in Exercise 6.6 and validate it.

Answer the following statements true (T) or false (F)

1) The print and the println methods are identical and can be used interchangeably. 2) A String literal may span multiple lines in the program code. 3) Java is a strongly-typed language. 4) Variables declared with the final modifier cannot have new values assigned to them. 5) The byte type can be assigned a larger range of numbers than the int type.

Software vendors provide hardware keys to

A. protect user data from intruders B. prevent unauthorized use of their programs