Read a File. In the previous chapter, you learned how to create and write to a file. In the following example, we use the Scanner class to read the contents of the text file we created in the previous chapter:

From Java 5 onwards java.util.Scanner class can be used to read file in Java. Earlier we have seen examples of reading file in Java using FileInputStream and reading file line by line using BufferedInputStream and in this Java tutorial, we will See How …

Use following codes to read the file. public static void main(String[] args) { try { System.out.print("Enter the file name with extension : "); Scanner input = new Scanner(System.in); File file = new File(input.nextLine()); input = new Scanner(file); while (input.hasNextLine()) { String line = input.nextLine(); System.out.println(line);

Jan 4, 2025 · There are several ways to read a plain text file in Java e.g. you can use FileReader, BufferedReader, or Scanner to read a text file. Every utility provides something special e.g. BufferedReader provides buffering of data for fast reading, and Scanner provides parsing ability.

Aug 1, 2019 · Learn how to read the contents of a file in Java using the Scanner class with this detailed tutorial. Explore our tutorial on reading file contents in Java with the Scanner class for effective file handling.

Feb 13, 2025 · A comprehensive guide on reading text files in Java using the Scanner class, including setup, implementation, exception handling, and comparison with BufferedReader.

Apr 14, 2017 · Steps to Learn How to Read a Text File in Java. So here’s our first step: Step 1: Since we are dealing with input output classes and methods, it’s only reasonable to use the “import java.io.*” clause in the beginning of our Java file. Step 2: Add the aforementioned BufferedReader cum FileReader code to our waiting main method. With that ...

Jul 23, 2021 · The java.util.Scanner is a nice and powerful class to not only allow you to read user input but allows you to read a text file as well. You can also customize the behavior of the next() method by using nextPattern() method which reads the next matching pattern specified by the regular expression you give to the Scanner class.

Aug 3, 2022 · Here is the example class showing how to read a text file in java. The example methods are using Scanner, Files, BufferedReader with Encoding support and FileReader. public static void main(String[] args) throws IOException { String fileName = "/Users/pankaj/source.txt"; //using Java 7 Files class to process small files, get complete file data.

Feb 15, 2013 · For the whole java file, it requires the user to input something and will create a text file using the input as a name. After that the user should enter the name of the text file created before again (assume the user enters correctly) and then the program should read the text file.