File–Writing

File–Writing

 

 

main

public class writing2 {

    public static void main(String[] args) {

        writing obj=new writing();

        obj.openFile();

        obj.add();

        obj.close();

    }

}

import java.io.File;

import java.util.Formatter;

public class writing {

        private Formatter x;

        public void openFile()

        {

            try {

                x =new  Formatter("shadhi.txt");

            }

            catch(Exception e){

                System.out.println("you have an error");

            }

        }

        public void add()

        {

            x.format("%s%s%s","20"," new ","number");

        }

        public void close()

        {

            x.close();

        }

}