CS402 T03a

1. 1. What is the result of 1 > 2 in Java?

• 1

• 2

• true

• false

2. Which data type does a conditional expression return in Java?

• int

• boolean

• char

• float

3. What will if (radius >= 0) check?

• If radius is positive

• If radius is negative

• If radius is equal to zero

• If radius is a whole number

4. What symbol is used to represent the AND operator in Java?

• ||

• ^

• &&

• !

5. Which operator is used to invert a boolean value?

• &&

• ||

• ^

• !

6. Which statement correctly checks if i is equal to j?

• i >= j

• i = j

• i == j

• i > j

What will be printed by the following code if score is 69.9?

if (score >= 70.0)

System.out.print("C");

else

System.out.print("F");

• C

• F

• runtime error

• syntax error

8. What condition checks if a variable num is divisible by 5?

• num / 5 == 0

• num % 5 == 0

• num + 5 == 0

• num * 5 == 0

9. If a = true and b = true, what will a ^ b evaluate to?

• Undefined

• true

• false

• null

10. Which of the following statements about the code below is correct?

boolean even = number % 2 == 0;

• It will throw an error if number is not even

• It assigns even to true if number is even

• It assigns even to false regardless of number

• It assigns even to true if number is odd