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package io;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.DataOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 *
 * @author azlina
 */
public class io {

        public static void main(String[] args) {
        //
        // Prepares some data to be written to a file.
        //

            int noA = 1;
        String name = "Azlina";


        try {
            //
            // Create an instance of FileOutputStream with cities.dat
            // as the file name to be created. Then we pass the input
            // stream object in the DataOutputStream constructor.
            //
            FileOutputStream fos = new FileOutputStream("cities.dat");
            DataOutputStream dos = new DataOutputStream(fos);

            //
            // Below we write some data to the cities.dat.
            // DataOutputStream class have various method that allow
            // us to write primitive type data and string. There are
            // method called writeInt(), writeFloat(), writeUTF(),
            // etc.
            //
            dos.writeInt(noA);
            dos.writeUTF(name);


            dos.flush();
            dos.close();

            //
            // Now we have a cities.dat file with some data in it.
            // Next you'll see how easily we can read back this
            // data and display it. Just like the DataOutputStream
            // the DataInputStream class have the corresponding
            // read methods to read data from the file. Some of
            // the method names are readInt(), readFloat(),
            // readUTF(), etc.
            //
            FileInputStream fis = new FileInputStream("cities.dat");
            DataInputStream dis = new DataInputStream(fis);

            //
            // Read the first data
            //
            int no1 = dis.readInt();
    int  results;
    results=no1+2;
            System.out.println("Results: " + results);

            String name1 = dis.readUTF();
            System.out.println("Name: " + name1);


        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}