Abstract

Operators in Java are symbols used to perform operations on variables and values. Common operators include arithmetic (+, -, *), comparison (==, !=), and logical (&&, ||). They allow manipulation of data and decision-making in programs. Data types define the type of data a variable can store, such as int, float, char, and boolean. Java has both primitive (e.g., int, double) and reference data types (e.g., String). An array is a collection of elements, all of the same type, stored in a contiguous memory location. For example, an int[] array holds multiple integers. Arrays allow easy management of large data sets.