Monday 3 August 2015

Read-Write Text File In Java

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class RW_File {

 public static void main(String[] args) throws IOException {
  //Create File In D: Driver. 
  String TestFile = "D:\\temp.txt";
  File FC = new File(TestFile);//Created object of java File class.
  FC.createNewFile();//Create file.
 
  //Writing In to file.
  //Create Object of java FileWriter and BufferedWriter class.
  FileWriter FW = new FileWriter(TestFile);
  BufferedWriter BW = new BufferedWriter(FW);
  BW.write("This Is First Line."); //Writing In To File.
  BW.newLine();//To write next string on new line.
  BW.write("This Is Second Line."); //Writing In To File.
  BW.close();
 
  //Reading from file.
  //Create Object of java FileReader and BufferedReader class.
  FileReader FR = new FileReader(TestFile);
  BufferedReader BR = new BufferedReader(FR);
  String Content = "";
 
  //Loop to read all lines one by one from file and print It.
  while((Content = BR.readLine())!= null){
   System.out.println(Content);
  }
 }
}

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