AP COMPUTER SCIENCE A UNIT 1 QUIZ

To output:

Hi There

You would need to use:

System.out.______("Hi ");System.out.print("There");

What would correctly replace ______ ?

print

To declare an integer variable x and set it equal to 17 you would type:

int x = 17;

What is the most precise primitive data type for storing decimal values?

double

Assuming that scan is a properly initialized Scanner variable, which of the following correctly inputs a double?

double val = scan.nextDouble();

Which of the following is a legal variable name in Java?

name

Which of the following variable declarations is a correct assignment?

double y = 82;

In Java all output uses the ______ data type.

String

Which of the following is true about primitive data types?

They hold only one piece of data at a time.

Which of the following are primitive data types?

I. double

II. String

III. boolean

I and III only

Put the following data types in order from largest to smallest (in terms of memory used).

String, double, int, boolean