AP-Computer Science A

What does the program below print?

int first = 10;

int second = first + 5;

first = 20;

System.out.println(second);

• 10

• 15

• 20

• 25

What does the following program print?

int age = 32;

int height = 178;

height = age + 10;

System.out.println(age);

• 32

• 178

• 188

• 42

What does the program below print?

int dividend = 3;

int divisor = 2;

double result = dividend / divisor * 1.0;

System.out.println(result);

• 3.0

• 2.0

• 1.5

• 1.0

What does the program below print?

int second = 32;

int first = 25;

second = 17;

first = second;

System.out.println(second);

• 32

• 17

• 25

• 49

Which of the following ways are valid method of declaring and initializing a variable of type double, named money, to equal 3.55?

• double money,

  money = 3.55;

• double money = 3.55;

• int money = 3.55;

• int money = 3-55;

What variable type should be used to represent the number of children in a class?

• boolean

• double

• String

• int

int x = 1;

int y = 2;

int z = 3;

z = x;

x = 0;

y = y + 1;

• x = 0, y = 2, z = 1

• x = 0, y = 3, z = 3

• x = 0, y = 3, z = 1

• x = 3, y = 2, z = 3

int x = 3;

double y = 1.5;

int z = 2;

System.out.println(x / z + y * 4 / 2);

• 
  

  4

• 
  

  0.6

• 6

• 
  

  4.5

What is the result of 2 % 5?

• 
  

  1

• 
  0

• 2

• 
  

  5

What term is used to describe data types that hold simple numbers, letters, or similar values?

• Basic

• Simple

• Transparent

• Primitive