Core Java
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Dynamic Java Code Injection
In this post we’re going to look at how to dynamically load Java code into a running jvm. The code…
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Stack safe recursion in Java
In this article, excerpted from the book Functional Programming in Java, I explain how to use recursion while avoiding the…
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Retryable operations
In every project that I’ve worked on, there’s always a need of a certain piece of functionality: retrying an operation.…
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Easy and Consistent Log4j2 Logger Naming
In the post Portable Logger Names with Java 7 Method Handles, I wrote about using Java 7‘s method handles to…
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Common misconception: How many objects does this create?
Overview A common question is how many objects or how many Strings does a section of code create. Often the…
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Creating sample HTTPS server for fun and profit
Often during development or/and testing against real-life scenarios we, developers, are facing a need to run a full-fledged HTTPS server,…
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5 Weird Java Questions That Will Make Your Head Spin
Some of the weirdest Java puzzlers that we had a chance to get our hands on Even the most experienced…
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What the Heck Is Mutation Testing?
In recent times, I came repeatedly upon the term mutation testing. Since the word is that this approach is able…
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Wrap around design pattern in java8
Wrap around pattern is not listed in in GOF book but is very useful for problem like below: Loop construct…
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