data output stream

gistfile1.txt

package files;

import java.io.*;

public class Program {

    static String path = "C:\\1\\data.txt";

    public static void main(String[] args) {

        // A data output stream lets an application write primitive Java data
        // types to an output stream in a portable way. An application can then
        // use a data input stream to read the data back in.
        try (DataOutputStream outer = new DataOutputStream(
                new FileOutputStream(path));) {
            outer.writeInt(2);
            outer.writeInt(3);
            outer.writeDouble(3.5);
            outer.writeDouble(1.5);
            outer.writeFloat(3.5f);
            outer.writeFloat(3.237f);
            outer.writeBoolean(true);
            System.out.println("Writing executed");

        } catch (Exception e) {
            System.out.println("Error in writing");
        }

        try (DataInputStream inner = new DataInputStream(new FileInputStream(
                path))) {
            int a = inner.readInt();
            int b = inner.readInt();
            int c = a + b;
            System.out.println("Reading executed. Result of Int = " + c);
            double a2 = inner.readDouble();
            double b2 = inner.readDouble();
            double c2 = a2 * b2;
            System.out.println("Reading executed. Result of Double = " + c2);
            float a3 = inner.readFloat();
            float b3 = inner.readFloat();
            float c3 = a3 * b3;
            System.out.println("Reading executed. Result of Float = " + c3);
            System.out.println(!inner.readBoolean());
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("Error in reading");
        }

    }

}