Variables in Java
The Variables are essential components of any programming language including Java. They are used to store and manipulate data within a program. In this article, we'll explore everything you need to know about variables in Java including their types, declaration, initialization, scope and best practices for usage. Introduction to Variables In Java, a variable is a named memory location used to store data. The Variables provide a way to label and refer to values within a program. They can hold various types of data such as numbers, characters and objects. Types of Variables Java supports several types of variables classified into two main categories: 1. Primitive Variables: The Primitive variables store simple data types such as integers, floating-point numbers, characters and boolean values. Examples: int, double, char, boolean. 2. Reference Variables: The Reference variables store references to objects in memory. Examples: String, ArrayList, Object. Declaration and Initialization T...