APCSA Unit 3

What will this code return given checkMethod(false, true)?

• 1

• 0

• -1

• This method call will error.

What will this method call output given yesOrNo(true)?

• "No"

• "Yes"

• 0

• This program will error

Given the following call, what value would be returned for findTheMiddle(2110890125)?

• 8

• the code will error

• 9

• 89

Which expression is true?

choose two

• true && !true

• !false || !true

• true && false

• false || false || true

• false || false || !true

What will this code output?

• Hello Karel

• Hello Karel

  Second if statement!

• Second if statement!

• This program will print nothing

What will this program print if the value of grade is 80?

• A

• B

• C

• nothing

What will the values of x and y be after this code segment runs?

• x = 100

  y = 200

• x = 99

  y = 100

• x = 101

  y = 101

• x = 99

  y = 199

• x = 200

  y = 100

A company uses the following information to determine pay rate based on hours worked:

1-40 hours worked $10 rate

41-50 hours worked $15 rate

50+ hours worked $20 rate

The method is intended to represent this table:

Which of the following test cases can be used to show that the code does NOT work as intended?

• calculateRate(35);

• calculateRate(40);

• calculateRate(45);

• calculateRate(55);

Assuming a and b are properly initialized boolean values, which expression would be equivalent to the following:

!(a && b)

• a || b

• !(a || b)

• !a && !b

• !a || !b

A student is trying to determine if the following two expressions are equivalent.

A. x && (!x || y)

B. x && !(x || !y)

What values of x and y would prove that the expressions are NOT equivalent?

• x = true

  y = true

• x = true

  y = false

• x = false

  y = true

• x = false

  y = false