Data Types

Lesson 4:

Data Types

AP Computer Science - Unit One

Data Types

int int value = 99;

This creates an integer variable in your Java program.

AP Computer Science - Unit One

Data Types

double double number = 46.12;

This creates a decimal variable in your Java program.

AP Computer Science - Unit One

Data Types

char char letter = ‘A’; char symbol = ‘%’;

This creates a character variable in your Java program.

AP Computer Science - Unit One

Data Types

String String firstName = “Mossie”;

This creates a String variable in your Java program. Strings hold any value not used for calculations.

AP Computer Science - Unit One

Input

What data type should you use for: age

String

double

int

average rainfall

String

double

int

street address

String

double

int

AP Computer Science - Unit One