AP CSA Topic 1 Primitive Types

What is the resulting value of x?

int x;

x = 2.3;

• Error

• 2

• 2.3

What is the resulting value of x?

double x;

x = (int) (2 + 3.3);

• Error

• 5

• 5.3

• 5.0

Which variable type is NOT a primitive variable type?

• boolean

• String

• int

• double

• char

What is a logic error?

• An mistyped statement that causes the compiler to throw an exception.

• An illegal operation that causes the compiler to throw an exception.

• An illegal operation that causes the program to have a run-time error.

• An error a programmer makes that causes the program to behave differently than expected.

What is the long form of x+=5?

• x = 5;

• x = + 5;

• x = x + 5;

• y = x + 5;

Given this code, what will be the output

• 23

• num19

• Your num2 is 17

• 16

• Your num2 is 18

Given this code, what will be produced

• 17

• Your num2 is 17

• Your num2 is 18

• 18

• compile time error

Indicate whether the following lines of code are legal or illegal. If legal select the resulting value of x. If illegal select Error.

double x;

x = 2.3;

• legal

• illegal

• 2

• 2.3

• Error

Indicate whether the following lines of code are legal or illegal. If legal select the resulting value of x. If illegal select Error.

int x;

x = 2.3;

• legal

• illegal

• 2

• 2.3

• Error

Evaluate: (double) 1 + 2 + 6 / 3

• 3

• 7

• 3.0

• 5.0

• 5.5