The ASCII code makes character storage more efficient by assigning shorter codes to characters that occur more frequently.

Which of the following isn't a legal Windows file name?

a.hello.goodbye.hello.txt b.homework 11-04-15 .docx c.homework:ch_03 .xlsx d.make_my_day.bmp

The ____________________ method of the String class creates a new string with the first instance of a specified pattern replaced with the value of the text argument.

Fill in the blank(s) with the appropriate word(s).