Articles


Written by Per Minborg

Shortest Code and Lowest LatencyWho can write the shortest Java code with the lowest latency, and what tools are used?At Oracle Code One two weeks ago, I promoted a code challenge
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Written by Per Minborg

Java streams with just one element sometimes create unnecessary overhead in your applications. Learn how to use SingletonStream objects and gain over tenfold performance for some of these kinds of
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Written by Per Minborg

Blow up Your JUnit5 Tests with PermutationsWriting JUnit tests can be a tedious and boring process. Learn how you can improve your tests classes using permutations in combination with TestFactory
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Written by Per Minborg

Java: GraalVM Database Stream PerformanceGraalVM is the new kid on the JVM block. It is an open-source Virtual Machine that is able to run many programming languages, such as Java,
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Written by Per Minborg

Debugging Java Streams with IntelliJStreams are very powerful and can capture the gist of your intended functionality in just a few lines. But, just as smooth as they are when
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Written by Per Minborg

Favor Composition over InheritanceThe mantra "Favor Composition over Inheritance" has, with good reasons, been repeated many times in the literature. However, there is little or no language support in Java to simplify
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Written by Per Minborg

Ultra-Low Latency Querying with Java Streams and In-JVM-MemoryFundamental rules of nature, such as the speed of light and general information theory, set significant limits on the maximum performance we can
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Written by Per Minborg

Query Databases using Java StreamsIn this article, you will learn how you can write pure Java applications, that are able to work with data from an existing database, without writing
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Written by Per Minborg

Here is a look at how you can write a full stack database web application without using SQL, HQL, PHP, ASP, HTML, CSS or Javascript and instead relying purely on
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Written by Per Minborg

A SetA Set is a collection of elements whereby any given element in the Set only appears once. More formally, a set contains no pair of elements e1 and e2
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Written by Per Minborg

Making Pivot Tables with Java Streams from DatabasesRaw data from database rows and tables does not provide so much insight to human readers. Instead, humans are much more likely to
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Written by Per Minborg

Java Stream ORM Now with JOINsSpeedment is a Java Stream ORM Toolkit and Runtime that allows you to view database tables as standard Java Streams. Because you do not have
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