Automation Using Selenium Webdriver

Thursday, 22 December 2016

How to read a file in java with example program



  • We can read java file using buffered reader class in java
  • We need to import java.io.BufferedReader in order to read java text file.
  • Create object of java.io.BufferedReader class by passing new FileReader("C:\\Sample.txt") object to the constructor.
  • In order to read line by line call readLine() method of BufferedReader class which returns current line. Initially first line of java text file
  •  Program #1: Write a java program to read a file line by line using BufferedReader class 

  • package com.instanceofjava.javareadfile;

  • import java.io.BufferedReader;
  • import java.io.FileReader;
  • import java.io.IOException;

  • public class ReadFileBufferedReader {

  •  /**
  •   * 
  •   * @category: How to read java read file line by line using buffered reader
  •   */

  • public static void main(String[] args) {

  •   BufferedReader breader = null;

  •  try {

  •  String CurrentLine;

  •  breader = new BufferedReader(new FileReader("E://Sample.txt"));

  •  while ((CurrentLine = breader.readLine()) != null) {
  •     System.out.println(CurrentLine);
  •  }

  • } catch (IOException e) {
  •    e.printStackTrace();
  • } finally {
  •     try {
  •  if (breader != null)
  •      breader.close();
  •      } catch (IOException ex) {
  •     ex.printStackTrace();
  •      }
  • }

  • }

  • }

  •  Output:
  •   
  • Java open and read file
  • Read file line by line in java
  • Example java program to read a file line by line
  • java read file line by line example


  • 1 comment:

    1. Very informative and useful historical post. I see you have a lot of other cool stuff available at your website, simply bookmarking it to check in spare time. Thanks and keep the good work up.DataScience with Python Training in Bangalore


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