AP CSA 1.2 Variables and Data Types

Identify the data type of 6

• boolean

• int

• double

• String

Identify the data type of 5.2

• int

• boolean

• String

• double

Identify the data type of true

• int

• boolean

• String

• double

Identify the data type of "Computer"

• String

• double

• int

• char

Identify the data type of 'b'

• double

• String

• char

• boolean

Identify the error

b=6.2;

• no error

• A letter cannot hold a numerical data type

• Data type is missing

• int data type cannot hold a double

Identify the error

string name = 'computer';

• missing data type

• missing semi colon on the statment

• string data type does not exist

• String data type should be listed in a print statement

Identify the error

String name = 'computer';

• String data type does not exist

• String data type does not exist

• Statement is missing semi colon

• name is a Java keyword

Identify the error

String name = "Republic";

• Republic should be in single quotes

• name is a Java keyword

• String data type cannot hold a char

• No error

Identify the error

int 6numbers = 965874

• int cannot hold a number higher than 10,000

• data type should be double

• java variable names can not start with a number

• no error