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Common and Unique Elements In Multiple Collections

This week, we’ll take a break from higher level problems and technology posts to deal with just a little code problem that a lot of us have probably faced. It’s nothing fancy or ...
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How Badly Do We Want a New Java Date/Time API?

The current Java.net poll question is, “How critical is it for JSR-310 (new Date and Time API) to be implemented in Java 8?” At the time of my writing of this post, nearly ...
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FindBugs and JSR-305

Suppose that group of developers work in parallel on parts of big project – some developers are working on service implementation, while others are working on code using this ...
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Key accomplishments of Eclipse over last 10 years

As I have written, Eclipse is celebrating 10 years of open source and community during the month of November. There have been a number of milestones that have shaped the Eclipse community ...
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Functional programming with Map and Fold in Java

In functional programming, Map and Fold are two extremely useful operators, and they belong to every functional language. If the Map and Fold operators are so powerful and essential, ...
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Why should you use Unchecked exceptions over Checked exceptions in Java

The debate over checked vs. unchecked exceptions goes way, way back. Some say it’s one of the best features Java included. Others say it was one of their biggest mistakes[1].It ...
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Java: Faking a closure with a factory to create a domain object

Recently we wanted to create a domain object which needed to have an external dependency in order to do a calculation and we wanted to be able to stub out that dependency in our tests. Originally ...
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Customized Internationalization (i18n) in Java

Internationalization (i18n) is very important in our software projects. It brings mainly these benefits:Externalizing UI strings into external files other than code files and so ...
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Java 7: WatchService

Of all the new features in Java 7, one of the more interesting is the WatchService, adding the capability to watch a directory for changes. The WatchService maps directly to the native ...
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Is Java’s String Class a God Object?

In October I wrote a blog entitled Top Trumps in God Objects where I talked about the discovery of an object I’d found with 167 disparate methods that linked this object with all ...
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