Read Data From A file and Write To Another File Using FileWriter And BufferedWriter In Java

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





public class FileWriterImpl {

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

File f = new File("readfile.txt");
FileReader reader = new FileReader(f);

File fwr = new File("writefile.txt");
FileWriter fw = new FileWriter(fwr);
BufferedWriter bw = new BufferedWriter(fw);
int ch;
while((ch = reader.read()) != -1) {
bw.write((char)ch);

}
bw.close();
}

}