File handling is an essential concept in Java that allows you to store data permanently. Whether you are building a real-world application or preparing for exams, understanding how to create, read, write, and modify files is extremely important. In this guide, you’ll learn file handling in Java step by step with simple examples that are easy to understand. What is File Handling in Java? File handling refers to performing operations on files such as creating, reading, writing, and updating data stored in files. Java provides built-in classes from the java.io package to handle files. Common File Handling Classes File → represents file or directory FileWriter → writes data to file FileReader → reads data from file BufferedReader → reads text efficiently 1. Create a File in Java Let’s start by creating a file. Create File Example Copy import java.io.File; import java.io.IOException; public class CreateFile { public static void...