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Why Future Generations Will Hate You for Using java.util.Stack

Before I kill you with some meaningless tautology, here is the gistIf your application is near real time or you are sending your code to Mars, you need to keep off the default Stack ...
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Java 7: File Filtering using NIO.2 – Part 3

Hello all. This is Part 3 of the File Filtering using NIO.2 series. For those of you who haven’t read Part 1 or Part 2, here’s a recap. NIO.2 is a new API for I/O operations ...
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java.lang.ClassNotFoundException: How to resolve

This article is intended for Java beginners currently facing java.lang.ClassNotFoundException challenges. It will provide you with an overview of this common Java exception, a sample ...
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JUnit4 Parameterized and Theories Examples

I always relied on TestNG to pass parameters to test methods in order to give a bit of flexibility to my tests or suites. However, the same flexibility can be achieved using JUnit4. To ...
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Gang of Four – Proxy Design Pattern

Proxy is another Structural design pattern which works ‘on behalf of’ or ‘in place of’ another object in order to access the later. When to use this pattern? Proxy pattern is ...
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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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