Arithmetic Types Declare Initialize Relation Logical Ops

Which Java type(s) can hold decimals? (Choose all that apply)

• int

• float

• double

• String

34 % 35 % 36 % 37 % 38

• 0.00001919212

• 38

• 34

• Impossible

What does the following code print?

System.out.println(1 / 3);

• 0.3333333333333333

• 0

• an error

• 0.3

What will the following code print?

system.out.println(2.0 / 9);

• 0.222222222222222 (14 - 15 significant digits)

• 0

• error

Consider the following code segment.

System.out.print("Java is");

System.out.println("fun ");

System.out.print("and cool!");

What is printed as a result of executing the code segment?

• Java is fun and cool!

• Java isfun

  and cool!

• Java is

  fun

  and cool!

• Java is fun

  and cool!

Which of the following correctly assigns a value to the variable x?

• x int = 5;

• int x;

• x = 5;

• int x

• x = 5

Which of the following correctly declares a variable x of type int?

• x int = 5;

• int x;

• x = 5;

• int x

• x = 5

Consider the following code segment.

// Geez, textbooks are expensive!

double bookPrice = 79.4; // Line 1

int numBooks = 5; // Line 2

System.out.println(bookPrice); // Line 3

System.out.println(numBooks); // Line 4

// Prices dropped, so I bought more!

bookPrice = 56; // Line 5

numBooks = 8.5; // Line 6

System.out.println(bookprice); // Line 7

System.out.println(numBooks); // Line 8

Does this code contain any syntax errors? If so, on which line(s)?

Select ALL that apply!

• Line 5 contains an error.

• Line 6 contains an error.

• Line 7 contains an error.

• Line 8 contains an error.

• This contains no errors.

Consider the following code

int x, y, z;

x = 3;

y = 7;

z = 21;

x = y;

y = z;

System.out.print(x);

System.out.print(" ");

System.out.print(y);

Which of the following will be displayed after the code is run?

• 3 7

• 21 21

• 3 3

• 7 21

What value of body_temp would yield "You have hypothermia."?

• 97

• 96

• 101

• 100.4