Variables and Data Types

Overview

Java supports various data types and allows the declaration of variables to store data.

Topics

• Primitive Data Types (int, double, char, etc.)
• Reference Data Types (Strings, Arrays, Objects)
• Variable Declaration and Initialization
• Type Casting

Examples

int number = 10;
double price = 19.99;
char grade = 'A';
String message = "Hello, Java!";

Tags

#java #variables #datatypes #primitivetypes #referencetypes #typecasting