If an object has a natural ____ representation, it is a good idea to build it within a toString() method.
A. Double
B. Boolean
C. String
D. Integer
Answer: C
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In the pseudocode of this text the isLetter function will return __________ if the character is an alphabetic letter.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is false?
a. The while statement allows you to repeat one or more actions while a condi-tion remains True. Such a statement often is called a loop. b. The following code finds the first power of 3 larger than 50: product = 3 while product < 50: product = product * 3 c. Something in a while statement’s suite must ensure that the condition even-tually becomes False. Otherwise, a logic error called an infinite loop occurs. d. In applications executed from a Terminal, Command Prompt or shell, type Ctrl + c or control + c (depending on your keyboard) to terminate an infinite loop.
To obtain the current hour in UTC, use _________.
a. System.currentTimeMillis() % 3600 b. System.currentTimeMillis() % 60 c. System.currentTimeMillis() / 1000 % 60 d. System.currentTimeMillis() / 1000 / 60 % 60 e. System.currentTimeMillis() / 1000 / 60 / 60 % 24
A style contains formatting characteristics, such as font, font size, paragraph indents, and line spacing, that are grouped and named
Indicate whether the statement is true or false