package file;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileReader;

import java.io.FileWriter;

import java.io.IOException;

public class ReplaceWord {

/**

* @param args

* @throws IOException

*/

public static void main(String[] args) throws IOException {

// TODO Auto-generated method stub

File f = new File("D:/DEEP/forth.txt");

//f.createNewFile();

FileWriter fw = new FileWriter(f);

fw.write("Word1 is Word1");

System.out.println("Before Replacing : "+" Word1 is Word1");

fw.close();

FileReader fr = new FileReader(f);

BufferedReader br = new BufferedReader(fr);

String s = br.readLine();

System.out.println("After Replacing : " + s.replaceAll("Word1", "Word2"));

br.close();

fr.close();

FileWriter fw1 = new FileWriter(f);

fw1.write(s.replaceAll("Word1", "Word2"));

fw1.close();

}

}