Writing to a Binary File : Buffer Stream « File Input Output « Java






  1. Java
  2. File Input Output
  3. Buffer Stream

Writing to a Binary File

import java.io.BufferedOutputStream; import java.io.DataOutputStream; import java.io.File; import java.io.FileOutputStream; publicclass WriteBinaryFile { publicstaticvoid 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(); } privatestatic DataOutputStream openOutputStream(String name) throws Exception { DataOutputStream out = null; File file = newFile(name); out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file))); return out; } privatestaticvoid writeMovie(Product m, DataOutputStream out) throws Exception { out.writeUTF(m.title); out.writeInt(m.year); out.writeDouble(m.price); } } class Product { public String title; publicint year; publicdouble price; public Product(String title, int year, double price) { this.title = title; this.year = year; this.price = price; } }








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