Java Programming
Numeric variables
Assignment statements
Two of the eight primitive data types
| Type | Bytes | Description |
|---|---|---|
| int | 4 | Integers from -2,147,483,648 to 2,147,483,647. |
| double | 8 | Numbers with decimal places that range from -1.7E308 to 1.7E308 with up to 16 significant digits. |
How to declare and initialize a variable in one statement
Syntax
type variableName = value;
Examples
int scoreCounter = 1; // initialize an integer variable
double unitPrice = 14.95; // initialize a double variable
How to code assignment statements
int quantity = 0; // initialize an integer variableint maxQuantity = 100; // initialize another integer variable
// two assignment statements
quantity = 10; // quantity is now 10
quantity = maxQuantity; // quantity is now 100