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Tracking Exceptions – Part 4 – Spring’s Mail Sender

If you’ve read any of the previous blogs in this series, you may remember that I’m developing a small but almost industrial strength application that searches log files ...
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Dubious Aspects of Features of JDK 8

Most of us who develop with Java are generally enthusiastic for the features and improvements that come with JDK 8. However, there have been several recent posts that have pointed out ...
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ClassNotFoundException: is it slowing down your JVM?

Most Java developers are familiar with the infamous and very common java.lang.ClassNotFoundException. While the sources of this problem are generally well understood (missing classes/libraries ...
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How much faster is Java 8?

Java SE 8 was released yesterday. Traditionally, every new major JRE version comes with a free performance boost. Do we get another free lunch? And how big is the gain this time? Let’s ...
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Constructor/Method Parameters Metadata Available Via Reflection in JDK 8

One of the lesser advertised new features of JDK 8 is the optional ability to include parameter metadata in compiled Java classes [JDK Enhancement Proposal (JEP) 118]. This feature ...
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New Parallelism APIs in Java 8: Behind The Glitz and Glamour

I’m a great multi-tasker. Even as I’m writing this post, I can still find room to feel awkward about a remark I made yesterday at a party that had everyone looking at me strange. ...
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Java 8 Friday: The Dark Side of Java 8

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. Java 8 Friday Every ...
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Creating your own loop structure in Java 8 lambda

Java doesn’t have an easy construct of repeat something N number of times. We can make a for loop of course, but many times we don’t even care about the variable that we ...
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115 Java Interview Questions and Answers – The ULTIMATE List

In this tutorial we will discuss about different types of questions that can be used in a Java interview, in order for the employer to test your skills in Java and object-oriented programming ...
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Common Misconceptions About Java

Java is the most widely used language in the world ([citation needed]), and everyone has an opinion about it. Due to it being mainstream, it is usually mocked, and sometimes rightly ...
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