The Java(tm) Specialists' Newsletter http://www.javaspecialists.eu The Java(tm) Specialists' Newsletter features advanced articles and tips surrounding the Java Programming Language en Copyright 2000-2010, Dr Heinz Max Kabutz Dr Heinz Kabutz Dr Heinz Kabutz 1440 The Java Specialists Club http://www.javaspecialists.eu/club Mon, 24 May 2010 GMT We recently started presenting Java Specialist webinars on topics covered in our newsletter. These are now available for download and for discussions at our new Java Specialist Club. Cost of Causing Exceptions http://www.javaspecialists.eu/archive/Issue187.html Tue, 31 Aug 2010 GMT Many years ago, when hordes of C++ programmers ventured to the greener pastures of Java, some strange myths were introduced into the language. It was said that a "try" was cheaper than an "if" - when nothing went wrong. Iterator Quiz http://www.javaspecialists.eu/archive/Issue186.html Fri, 30 Jul 2010 GMT Most of the northern hemisphere is on holiday, so here is a quick quiz for those poor souls left behind manning the email desk. How can we prevent a ConcurrentModificationException in the iterator? Book Review: Java: The Good Parts http://www.javaspecialists.eu/archive/Issue185.html Sun, 11 Jul 2010 GMT In his latest book, Jim Waldo describes several Java features that he believes make Java "good". A nice easy read, and I even learned a few new things from it. Deadlocks through Cyclic Dependencies http://www.javaspecialists.eu/archive/Issue184.html Fri, 4 Jun 2010 GMT A common approach to ensuring serialization consistency in thread safe classes such as Vector, Hashtable or Throwable is to include a synchronized writeObject() method. This can result in a deadlock when the object graph contain a cyclic dependency and we serialize from two threads. Whilst unlikely, it has happened in production. Serialization Size of Lists http://www.javaspecialists.eu/archive/Issue183.html Mon, 31 May 2010 GMT What has a larger serializable size, ArrayList or LinkedList? In this newsletter we examine what the difference is and also why Vector is a poor candidate for a list in a serializable class. Remote Screenshots http://www.javaspecialists.eu/archive/Issue182.html Wed, 12 May 2010 GMT In this newsletter, we describe how we can generate remote screen shots as compressed, scaled JPGs to build a more efficient remote control mechanism.