Java File Writing Using FileWriter Class – Complete Beginner’s Guide
File Writing in Java What is File Writing? File Writing in Java is the process of writing data (text or characters) into a file stored on the system. Java provides the FileWriter class to perform file writing operations efficiently. The FileWriter class is part of the java.io package and is mainly used to write character-based data into a file. FileWriter Class Package: java.io Purpose: Writes character data to a file Type: Character Output Stream FileWriter Constructor FileWriter(String filePath) throws IOException Explanation: filePath → Location where the file is created or written Throws IOException → Handles input/output errors 📌 If the file does not exist, Java creates a new file automatically. 📌 If the file exists, Java overwrites its content (unless append mode is used). FileWriter Methods Method. Description write(String str). ...