Core Java
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Guava Files: Java File Management
Both Groovy and Java SE 7 provide improvements for file management in Java as I discussed in posts here, here,…
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Is Java Dead or Invincible?
Writer Isaac Asimov once said that ‘the only constant is change’. That isn’t just a phrase in the software industry,…
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Chain Of Responsibility Design Pattern Example
Avoid coupling the sender of a request to the receiver by giving more than one object a chance to handle…
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OutOfMemoryError: unable to create new native thread – Problem Demystified
As you may have seen from my previous tutorials and case studies , Java Heap Space OutOfMemoryError problems can be…
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Multiple versions of Java on OS X Mountain Lion
Before Mountain Lion, Java was bundled inside OS X. It seems that during the upgrade, the Java 6 version I…
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Using PowerMock to Mock Constructors
In my opinion, one of the main benefits of dependency injection is that you can inject mock and/or stub objects…
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Java Hidden code
Sometime ago I came across the issue of invisible characters in Strings. These can really cause confusion because they are…
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Duck typing in Java ? Well, not exactly
According to Wikipedia duck typing is: style of dynamic typing in which an object’s methods and properties determine the valid…
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Building OpenJDK on Windows
Doing some experiments, I found that it often useful to have JDK source code available in hand to make some…
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