read and write file in java

writter:

package file.writer.and.reader;
import java.io.*;

/**
 *
 * @author Vishnuyardini
 */
public class writter {
    public static void main(String ... arg)
    {
        try{
   FileWriter fw=new FileWriter("abc.txt");
   fw.write("hai parwez.. this is my first task.. i did this");
   fw.close();
  }
        catch(Exception e){System.out.println(e);}
  System.out.println("success content was success fully write");
 }
    }

reader:

package file.writer.and.reader;

import java.io.*;

/**

 *

 * @author Vishnuyardini

 */

public class reader {

    public static void main(String... arg)throws Exception{  

        try (FileReader fr = new FileReader("abc.txt")) {

            int i;

            while((i=fr.read())!=-1)

                System.out.print((char)i);

        }  

    

}

}