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Introduction to Functional Interfaces – A concept recreated in Java 8

Any java developer around the world would have used at least one of the following interfaces: java.lang.Runnable, java.awt.event.ActionListener, java.util.Comparator, java.util.concurrent.Callable. ...
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Introduction to Default Methods (Defender Methods) in Java 8

We all know that interfaces in Java contain only method declarations and no implementations and any non-abstract class implementing the interface had to provide the implementation. ...
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Java Collections API Quirks

So we tend to think we’ve seen it all, when it comes to the Java Collections API. We know our ways around Lists, Sets, Maps, Iterables, Iterators. We’re ready for Java 8?s Collections ...
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Reasons for IntelliJ IDEA

Introduction I often get the question why I use Intellij in favor of another IDE, in this case Eclipse. Most of the time I answer that question by demonstrating some features of IntelliJ ...
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Cryptography Using JCA – Services In Providers

The Java Cryptography Architecture (JCA) is an extensible framework that enables you to use perform cryptographic operations. JCA also promotes implementation independence (program ...
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OpenJPA: Memory Leak Case Study

This article will provide the complete root cause analysis details and resolution of a Java heap memory leak (Apache OpenJPA leak) affecting an Oracle Weblogic server 10.0 production ...
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Using Lambda Expression to sort a List in Java 8 using Netbeans Lambda Support

As part of JSR 335 Lambda expressions are being introduced to the Java language from Java 8 onwards and this is a major change in the Java language. If you want to learn more about ...
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Setup your Java Development Environment in Windows 7

I have been receiving a lot of requests over the time, from students and people willing to experiment with the Java language, on providing a simple guide on how to setup a Java development ...
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Serialization in java

Java provides mechanism called serialization to persists java objects in a form of ordered or sequence of bytes that includes the object’s data as well as information about the ...
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The Big Java News Keeps Coming: Java SE 6 and OpenJDK

I recently posted Recent Java 8 News, summarizing some of the recent developments in Java 8. In less than a week since publishing that post, several more significant Java news stories ...
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