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Java Security Tutorial – Step by Step guide to create SSL connection and certificates

In our series of articles on applying JEE security we present you another detailed tutorial on how to create a SSL connection and create certificates in a Java EE application. As mentioned ...
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GC Memory Visualizer Tutorial – Part1

As you may have read from past articles, one of the key Java programmer skills to acquire is your ability to understand and assess the health of the JVM such as the Java heap memory ...
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Singleton Design Pattern – A Lion’s Eye View

A few days ago when I was in my home town, one of my sub-juniors from my colleague attended an interview in an MNC and was severely injured in that interview process. I mean he could ...
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Reducing memory consumption by 20x

This is going to be another story sharing our recent experience with memory-related problems. The case is extracted from a recent customer support case, where we faced a badly behaving ...
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Creating Internal DSLs in Java, Java 8- Adopting Martin Fowler’s approach

Currently I am reading this wonderful book on DSLs- Domain Specific Languages by Martin Fowler. The buzz around the DSLs, around the languages which support creation of DSLs with ease, ...
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Design Patterns: Prototype

The one of creational design patterns is a Prototype design pattern. Despite that the Prototype is the creational pattern it distinguishes from other patterns by a concept. I mean that ...
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Builder Pattern: Good for code, great for tests

I’ve found the builder design pattern occasionally useful in code, but frequently useful in tests. This article is a quick summary of the pattern in general, followed by look at a ...
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JVM Performance Magic Tricks

HotSpot, the JVM we all know and love, is the brain in which our Java and Scala juices flow. Over the years, it’s been improved and tweaked by more than a handful of engineers, and ...
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Design Patterns: Builder

Sometimes there is a need to create a complex object in application. The one solution for this is a Factory pattern, the another one is a Builder design pattern. In some situation you ...
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Factory Design Pattern – An Effective Approach

As you know the Factory Method Pattern or popularly known as the Factory Design Pattern is one the design patterns under the category of “Creational Design Pattern”. The ...
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