Java tutorial
//package com.java2s; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; public class Main { public static void close(OutputStream out) { if (out != null) { try { out.close(); } catch (IOException e) { e.printStackTrace(); } } } public static void close(InputStream in) { if (in != null) { try { in.close(); } catch (IOException e) { e.printStackTrace(); } } } }