CHAP I

How many of the Duration, LocalDateTime, and LocalTime classes have the concept of a time zone?

• None

• One

• Two

• Three

How many lines does this print?
System.out.print("""
"ape"
"baboon"
"gorilla"
""");

• Three

• Four

• Five

• The code does not compile.

Which of the following variable names are not valid? (Choose two.)

• _

• _blue

• 2blue

• blue$

• Blue

Which class has a getSeconds() method?

• Only the Duration class

• Only the Period class

• Both the Duration and Period classes

• Neither class

Most of the United States observes Daylight Saving Time on March 13, 2022, by moving the clocks forward one hour at 2:00 AM. What does the following code produce?

• 5 true

• 5 false

• 4 false

• 4 true

• 6 false

What is the value of tip after the execution of the following code?

• 1

• 2

• 3

• 7

• None of the above

What does the following code produce?

• false

• true

• The code does not compile.

• The code compiles but throws an exception at runtime.

What is the result of the following code?

• 12

• 21

• 123

• 321

• The code does not compile.

What is the result of the following code?

• false 1

• false 2

• true 1

• true 2

• It does not compile.

Given that daylight saving time starts on March 13, 2022, at 2:00 AM and the clocks jump from 1:59 AM to 3:00 AM, which of the following options can fill in the blank so that the code does not throw an exception?

• 2, 0

• 3, 0

• Either of the above will run without throwing an exception.

• Both of these will cause an exception to be thrown.