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Let’s turn packages into a module system!

Many projects are divided into modules/subprojects using the build system (Maven, Gradle, SBT …); and writing modular code is generally a Good Thing. Dividing the code into build ...
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Signing Java Code

In a previous post, we discussed how to secure mobile code.One of the measures mentioned was signing code. This post explores how that works for Java programs. Digital Signatures The ...
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Investigating Deadlocks – Part 5: Using Explicit Locking

In my last blog I looked at fixing my broken, deadlocking balance transfer sample code using both Java’s traditional synchronized keyword and lock ordering. There is, however, an ...
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Deep diving into Cloning

Before we proceed with the cloning concept let’s refresh our basics with the object creation concept. When the objects are created using the new operator the objects gets the memory ...
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Java2Days 2012: Java EE

The Java2Days conference is the major event in Eastern Europe to present the latest trends in Java development. This year, it took place in Sofia, Bulgaria on 25 – 26 October. ...
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Investigating Deadlocks – Part 4: Fixing the Code

In the last in this short series of blogs in which I’ve been talking about analysing deadlocks, I’m going to fix my BadTransferOperation code. If you’ve seen the other blogs ...
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By your Command – Command design pattern

Command design pattern is one of the widely known design pattern and it falls under the Behavioral Design Pattern (part of Gang of Four). As the name suggests it is related to actions ...
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Investigating Deadlocks – Part 3

In my previous two blogs in this series, part 1 and part 2, I’ve demonstrated how to create a piece of bad code that deadlocks and then used this code to show three ways of taking ...
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Prototype Design Pattern: Creating another dolly

It’s really a time consuming process to create objects and also an expensive affair. So we are now on a venture to save both time and money. How do we do that?Anybody remember about ...
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Java 7: File Filtering using NIO.2 – Part 2

Hello all. This is Part 2 of the File Filtering using NIO.2 series. For those of you who haven’t read Part 1, here’s a recap. NIO.2 is a new API for I/O operations included ...
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