CodeHS Primitive Types

Question 1

What is the operator to decrease by 1?

Accepted Answer

--

Question 2

What does the ++ operator do? (For example x++)

Accepted Answer

Increases x by 1

Question 3

What is the result of this line of code: (int) 16.7

Accepted Answer

16

Question 4

What is the result of the following code?

Accepted Answer

month

Question 5

What is the output of the code below?

Accepted Answer

Your point total is 1017

Question 6

Which of these is not a valid Java variable name?

Accepted Answer

1spin

Question 7

What is the compound assignment operator that would shorten this: X = X +2

Accepted Answer

+=

Question 8

What is the value of myInteger after this line of code?

Accepted Answer

7

Question 9

Which of these statements is not correct?

Accepted Answer

String name = input.nextInt();

Question 10

What is the compound assignment operator that would shorten this: X = X % 3

Accepted Answer

%=

Question 11

Which is a correct Scanner initialization statement?

Accepted Answer

Scanner input = new Scanner (System.in);

Question 12

What is the result of the following segment of code?

Accepted Answer

You are age years old

Question 13

What is the output of this segment of code?

Accepted Answer

January

Question 14

What is the value of X after this statement? X = 3.0/2.0

Accepted Answer

1.5

Question 15

Which of the following is NOT a primitive type?

Accepted Answer

String

Question 16

Which line of code correctly gives an answer of -6?

Accepted Answer

12 - 6 * 2 + 6 / 1

Question 17

What is the operator to increase by 1?

Accepted Answer

++

Question 18

Which line is best to declare a variable to store someone's height in pounds to 1 decimal?

Accepted Answer

double height;

Question 19

What term is given to this code that changes a value from one type to another: (int) 16.7

Accepted Answer

casting

Question 20

What is the value of X after this statement? X = 5%3

Accepted Answer

2

Question 21

Which of these is correct way to import the scanner class?

Accepted Answer

import java.util.Scanner

Question 22

What is the result of the following segment of code?

Accepted Answer

20

Question 23

Which is NOT a comparison operator?

Accepted Answer

?

Question 24

What is the value of after this statement? double X = 21.0/5;

Accepted Answer

4.2

Question 25

How do you declare a local variable?

Accepted Answer

data type name

Question 26

Which of the following is not a primitive data type?

Accepted Answer

String

Question 27

What is the name of the method to print out text in Java?

Accepted Answer

System.out.println();

Question 28

Which of the following will cast an int, x, to a double?

Accepted Answer

(double) x

Question 29

A way to store data in Java

Accepted Answer

variable

Question 30

What line of code outputs "Hello"?

Accepted Answer

System.out.println("Hello");

Question 31

The process of changing one variable type to another is called:

Accepted Answer

casting

Question 32

What value can a boolean have?

Accepted Answer

true

Question 33

What is the result of the following segment of code?

Accepted Answer

15

Question 34

Which has the highest precedence?

Accepted Answer

()

CodeHS Primitive Types

Questions 34

CodeHS Primitive Types

Questions 34