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 http://www.javaspecialists.eu/archive/Issue200.html Mon, 26 Mar 2012 Every Java programmer I have met knows that they should know more about concurrency. But it is a topic that is quite hard to learn. In this newsletter I give some tips on how you can become proficient in concurrency. http://www.javaspecialists.eu/archive/Issue199.html Thu, 23 Feb 2012 Surreptitious: stealthy, furtive, well hidden, covert. In this newsletter we will show two Java puzzles written by Wouter Coekaerts that require a surreptitious solution. You cannot do anything to upset the security manager. http://www.javaspecialists.eu/archive/Issue198.html Mon, 13 Feb 2012 What is the largest double that could in theory be produced by Math.random()? In this newsletter, we look at ways to calculate this based on the 48-bit random generator available in standard Java. We also prove why in a single-threaded program, (int)(Random.nextDouble() + 1) can never be rounded up to 2. http://www.javaspecialists.eu/archive/Issue197.html Tue, 6 Dec 2011 In this newsletter we try to calculate the meaning of life, with surprising results. http://www.javaspecialists.eu/archive/Issue196.html Tue, 29 Nov 2011 Java 7 removes the Swing Event Dispatch Thread (EDT) hack that allowed us to specify an uncaught exception handler for the EDT using a system property sun.awt.exception.handler. http://www.javaspecialists.eu/archive/Issue195.html Thu, 15 Sep 2011 In this newsletter, we present a little performance puzzler, written by Kirk Pepperdine. What is happening with this system? There is only one explanation and it can be discovered by just looking at the stack trace.