Reading data from a file using FileReader

// Java FileReader class is used to read data from the file.

// It returns data in byte format like FileInputStream class.

// It is character-oriented class which is used for file handling in java.

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.IOException;

class JavaFileReaderDemo {

public static void main(String[] args)

throws FileNotFoundException, IOException {

FileReader fr = new FileReader("writer.txt");

int data;

while ((data = fr.read()) != -1) {

System.out.print((char) data);

}

System.out.println();

fr.close();

}

}