Java tutorial
//package com.java2s; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.OutputStream; public class Main { public static OutputStream readFromFile(String path, String fileName) { if (path.charAt(path.length() - 1) != '/') { path += '/'; } File file = new File(path + fileName); OutputStream os = null; try { os = new FileOutputStream(file); } catch (FileNotFoundException e) { e.printStackTrace(); } return os; } }