Use following codes to read the file . import java.io.File; import java.util.Scanner; public class ReadFile { 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 ...

Note: There are many available classes in the Java API that can be used to read and write files in Java: FileReader, BufferedReader, Files, Scanner, FileInputStream, FileWriter, BufferedWriter, FileOutputStream, etc.

Jan 2, 2025 · FileReader in Java is a class in the java.io package which can be used to read a stream of characters from the files. Java IO FileReader class uses either specified charset or the platform’s default charset for decoding from bytes to characters.

The most simple way to read data from a file in Java is making use of the File class to read the file and the Scanner class to read the content of the file.

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.

Jan 5, 2013 · I am trying to read the contents of a file using FileReader . But i want to read the file without reading a line by line . Is it possible to read the whole file without loop. I am using the following code. try. File ff=new File("abc.txt"); FileReader fr=new FileReader(ff); String s; while(br.read()!=-1) s=br.readLine(); catch(Exception ex)

Jan 8, 2024 · In this tutorial, we’ll explore different ways to read from a File in Java. First, we’ll learn how to load a file from the classpath, a URL, or from a JAR file using standard Java classes. Second, we’ll see how to read the content with BufferedReader, Scanner, StreamTokenizer, DataInputStream, SequenceInputStream, and FileChannel. We will ...

Feb 8, 2025 · As the name suggests, FileReader is a Java class that makes it easy to read the contents of a file. In this tutorial, we’ll learn the basic concept of a Reader and how we can use the FileReader class for doing read operations on a character stream in Java.

In this tutorial, we will learn about Java FileReader and its methods with the help of examples. The FileReader class of the java.io package can be used to read data (in characters) from files.

Feb 16, 2022 · The read () method of FileReader class in Java is used to read and return a single character in the form of an integer value that contains the character’s char value. The character read as an integer in the range of 0 to 65535 is returned by this function.