WriteBinaryFile.java Source code

Introduction

Here is the source code for WriteBinaryFile.java

Source

import java.io.BufferedOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;

public class WriteBinaryFile {
    public static void main(String[] args) throws Exception {
        Product[] movies = new Product[10];

        movies[0] = new Product("W", 1946, 14.95);
        movies[1] = new Product("T", 1965, 12.95);
        movies[2] = new Product("Y", 1974, 16.95);
        movies[3] = new Product("R", 1975, 11.95);
        movies[4] = new Product("S", 1977, 17.95);
        movies[5] = new Product("P", 1987, 16.95);
        movies[6] = new Product("G", 1989, 14.95);
        movies[7] = new Product("A", 1995, 19.95);
        movies[8] = new Product("Game", 1997, 14.95);
        movies[9] = new Product("F", 2001, 19.95);

        DataOutputStream out = openOutputStream("movies.dat");
        for (Product m : movies)
            writeMovie(m, out);
        out.close();
    }

    private static DataOutputStream openOutputStream(String name) throws Exception {
        DataOutputStream out = null;
        File file = new File(name);
        out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file)));
        return out;
    }

    private static void writeMovie(Product m, DataOutputStream out) throws Exception {
        out.writeUTF(m.title);
        out.writeInt(m.year);
        out.writeDouble(m.price);
    }

}

class Product {
    public String title;

    public int year;

    public double price;

    public Product(String title, int year, double price) {
        this.title = title;
        this.year = year;
        this.price = price;
    }
}