AP CSA (Units 1 + 2)

Data Types

100

Variables of type double are used to store __________ values.

decimal

200

The smallest integer data type in Java is __________.

byte

300

Strings in Java are __________, meaning their contents cannot be changed once created.

immutable

500

Name both primitive data types in Java that use 16 bits of memory.

char and short

Math

100

The __________ operator is used to find the remainder in division.

modulus - %

200

Dividing two integers in Java results in __________ division.

integer

String Methods

100

To find the length of a String, you use the __________ method.

.length()

200

The __________ method is used to compare the contents of two Strings for equality.

.equals()

300

Substring can take __ or __ values.

char and string

Objects

200

Objects are stored as __________ in memory, unlike primitive types.

references

300

A __________ is a special method used to create and initialize an object.

constructer

Miscellaneous

200

What is the output?

System.out.println(10 + 30 + " " + 10);

40 10

300

The keyword used to declare a constant in Java is __________.

final

500

This error occurs when attempting to store a value too large for a variable’s data type, such as assigning 128 to a byte.

overflow