APCS module 4 review

Which of the following expressions is equivalent to !(a > z)?

• (!a) < (!z)

• (a > z)

• (a < = z)

• !(a == z)

• (!a) || (!z)

When does an IndexOutOfBoundsException occur?

if (b != z) {

** code block **

if (z > a) {

** code block **

}

}

• if (b==z) || (z<a)

• if (b!=z) && (z>a)

• if (b==z) && (z>=a)

• if (b==z) || (z>a)

• if (b==z) && (z<a)

int x = 12;

int y = 4;

double z = 3.0;

System.out.println(5 + x / y * z − 1);

• 12

• 12.0

• 13

• 13.0

• 14

What is the result of 69 % 10?

• 0.9

• 6

• 6.0

• 9

• 6.9

String line = "This is a nice String.";

What is the value of line.length()?

• 17

• 19

• 20

• 21

• 22

What is the value of grade after the segment of code executes int result = 95?

if (result >= 90) grade = "A";

if (result >= 80) grade = "B";

if (result >= 70) grade = "C";

if (result >= 60) grade = "D";

else grade = "E";

• A

• B

• C

• D

• E

What is the value of grade after the segment of code executes int result = 95?

if (result >= 90) grade = "A";

else if (result >= 80) grade = "B";

else if (result >= 70) grade = "C";

else if (result >= 60) grade = "D";

else grade = "E";

• A

• B

• C

• D

• E

What is the result of (int) 45.6?

• 45.6

• 46

• 45

• 45.0

• 46.0

What is the difference between a for loop and a while loop?