Scanner vs BufferedReader in Java: A Complete Guide

source: naukri.com

Java offers several ways to read input from various sources like files, console input, or network connections. Two popular classes for this purpose are Scanner and BufferedReader. While both help you read data, they work differently and have their own strengths and weaknesses.

In this article, we’ll explore both classes in detail, compare their features, and provide practical examples to help you choose the right one for your needs.

What is Scanner?

Scanner is a class introduced in Java 5 that provides simple methods for reading different types of data. It can read primitive types like int, double, and boolean directly, as well as strings.

Key Features of Scanner

1. Easy parsing: Scanner can automatically convert text into different data types
2. Pattern matching: It can use regular expressions to find and extract data
3. Multiple input sources: It works with strings, files, and input streams
4. Simple to use: Great for beginners and quick tasks

Basic Example of Scanner

import java.util.Scanner;

public class ScannerExample {
    public static void main(String[] args) {
        // Create a Scanner…