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How to read a file in java with example program

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instanceof java

Posts: 576
Nickname: instanceof
Registered: Jan, 2015

instanceof java is a java related one.
How to read a file in java with example program Posted: Aug 26, 2016 11:50 PM
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This post originated from an RSS feed registered with Java Buzz by instanceof java.
Original Post: How to read a file in java with example program
Feed Title: Instance Of Java
Feed URL: http://feeds.feedburner.com/blogspot/TXghwE
Feed Description: Instance of Java. A place where you can learn java in simple way each and every topic covered with many points and sample programs. 		Latest Java Buzz Posts
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  • 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

  1. package com.instanceofjava.javareadfile;

  3. import java.io.BufferedReader;
  4. import java.io.FileReader;
  5. import java.io.IOException;

  7. public class ReadFileBufferedReader {

  9. /**
  10. * @Website: www.instanceofjava.com
  11. * @category: How to read java read file line by line using buffered reader
  12. */

  14. public static void main(String[] args) {

  16. BufferedReader breader = null;

  18.  try {

  20. String CurrentLine;

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

  24. while ((CurrentLine = breader.readLine()) != null) {
  25. System.out.println(CurrentLine);
  26. }

  28. } catch (IOException e) {
  29. e.printStackTrace();
  30. } finally {
  31.     try {
  32. if (breader != null)
  33. breader.close();
  34.      } catch (IOException ex) {
  35. ex.printStackTrace();
  36.      }
  37. }

  39. }

  41. }

 Output:
 
  1. Java open and read file
  2. Read file line by line in java
  3. Example java program to read a file line by line
  4. java read file line by line example
  
Program #2: Write a java program to read a file line by line using BufferedReader class using Eclipse

how to read a file in java

Read: How to read a file in java with example program

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