Core Java
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Beware Of findFirst() And findAny()
After filtering a Java 8 Stream it is common to use findFirst() or findAny() to get the element that survived…
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Creating a proxy object using cglib
In the previous post I was talking about the standard Java based proxy objects. These can be used when you…
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How to Pattern-Match Files and Display Adjacent Lines in Java
Recently, we’ve published our article about the awesome window function support in jOOλ 0.9.9, which I believe is some of…
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Java Dynamic Proxy
Proxy is a design pattern. We create and use proxy objects when we want to add or modify some functionality…
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9 differences between Array and ArrayList in Java
Both array and ArrayList are two important data structures in Java and are frequently used in Java programs. Even though…
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Kotlin-like Builders in Java and Python, Continued: Additional Parameters
Intro In today’s article, we follow up last week’s article about making Kotlin-like builders in Java and Python, expanding the…
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Java 8 Lambda Expression for Design Patterns – Strategy Design Pattern
The strategy pattern defines a family of algorithms encapsulated in a driver class usually known as Context and enables the…
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JavaOne 2015: Advanced Modular Development
JavaOne 2015 saw a series of talks by the Project Jigsaw team about modularity in Java 9. They are all very…
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Use JUnit’s expected exceptions sparingly
Sometimes, when we get pull requests for jOOQ or our other libraries, people change the code in our unit tests…
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