CSA 1.1.2 Variables & Data Types

What three things must be defined to create and store a value?

• The type of the variable

• The identifier or name of the variable

• The print line for the variable

• The value of the variable

????? age = 16;

What is the data type of the variable age?

• int

• double

• float

• String

?????? tax = .07

What is the data type of the variable tax?

• int

• double

• boolean

• String

???? isOpen = true;

What is the data type of the variable isOpen?

• double

• String

• boolean

• int

????? class = "CSA";

What is the data type of the variable class?

• String

• int

• double

• char

String class = "CSA";

len = class.length();

What is the data type of the variable len?

• double

• String

• int

• boolean

The most basic data types available within the Java language

• String

• double

• primitives

• main method

This data type holds whole number values.

• String

• double

• boolean

• int

This data type holds literal values within double quotes.

• boolean

• double

• int

• String

This data type holds one letter in single quotes.

• String

• char

• boolean

• int