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since January 2002

Since January 2002 we write a column about best practice  Java programming.  It appeared in JavaSpektrum until March 2008 and has been published in JavaMagazin since then. This column is available in German only. Pre-copyedit versions of the articles are made available below.

2002-2008
Fundamentals - Object Comparison in Java - Principles of Implementing equals()	January 2002
Fundamentals - Comparing Apples and Pears - Type Check in equals()	March 2002
Fundamentals - Hash Code in Java - Consistency between equals() and hashCode()	May 2002
Fundamentals - Comparators in Java - Principles of Implementing compareTo()	July 2002
Fundamentals - Copies and Clones - Purpose of clone()	September 2002
Fundamentals - Copies and Clones - Principles of Implementing clone()	November 2002
Fundamentals - CloneNotSupported - clone() and Its Exception	January 2003
Fundamentals - Implementing Immutable Types	March 2003
Fundamentals - Immutability Adapters for Collections and the Meaning of final	July 2003
Fundamentals - final Classes and final Methods	September 2003
Fundamentals - Polymorphic Method Calls in Constructors	November 2003
Concurrency - Multithreading Basics	January 2004
Concurrency - Synchonization in Detail	March 2004
Concurrency - Explicit Locks (a new feature in JDK 5.0)	May 2004
Concurrency - wait() and notify() in Detail	July 2004
Concurrency - The Nested Monitor Problem	September 2004
Concurrency - Stopping and Suspending Threads	November 2004
Concurrency - Thread-Safe Collections and Synchronizers	January 2005
Concurrency - Asynchronous Tasks (Callable and Future)	March 2005
Concurrency - Thread Pools	May 2005
Performance - Micro-Benchmarking	July 2005
Performance - Micro-Benchmarking & JIT Compilation	September 2005
Performance - Profiler Tools	November 2005
Performance - Functional Performance Hot Spots	January 2006
Performance - Memory Hot Spots	March 2006
Performance - Garbage Collection Algorithms	May 2006 & July 2006
Performance - Tuning the Garbage Collector	September 2006
Enums - The Language Feature of Enumeration Types	November 2006
Enums - A Common Pitfall	January 2007
Generics - Introduction to Generics and Parameterized Types	March 2007
Generics - Wildcards	May 2007
Generics - Raw Types and Type Erasure	July 2007
Generics - Type Erasure - The Dark Side	September 2007
Generics - Generic Creation	November 2007
Generics - Implementing a Generic Pair Class (Part 1)	January 2008
Generics - Implementing a Generic Pair Class (Part 2)	March 2008
since 2008
JMM - Introduction to Memory Model Issues in Java	July 2008
JMM - Overview of the Java Memory Model	August 2008
JMM - The Cost of Lock-Based Synchronisation	September 2008
JMM - Volatile Variables	October 2008
JMM - Double-Check Locking	November 2008
JMM - Final Variables	December 2008
JMM - Immutable Types	January 2009
JMM - Atomic Variables	February 2009
JMM - Reordering	March 2009