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Convert Double to String, Removing Decimal Places 1. Introduction In this tutorial, we’ll take a look at the different ways to convert a double value to a String, removing its decimal places. We’ll look at how to do it when we want to just truncate the decimal part and when we… Continue Reading java-double-to-string
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Introduction to Jooby 1. Overview Jooby is a scalable and fast micro web framework build on top of the most used NIO web servers. It’s very straightforward and modular, clearly designed for the modern day’s web architecture. It comes with support for Javascript and Kotlin too. By default, Jooby comes… Continue Reading jooby
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MockK: A Mocking Library for Kotlin 1. Overview In this tutorial, we’re going to take a look at some of the basic features of the MockK library. 2. MockK In Kotlin, all classes and methods are final. While this helps us write immutable code, it also causes some problems during testing.… Continue Reading kotlin-mockk
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Advanced Quasar Usage for Kotlin 1. Introduction We recently looked at Quasar, which gives us tools to make asynchronous programming more accessible and more efficient. We’ve seen the basics of what we can do with it, allowing for lightweight threads and message passing. In this tutorial, we’re going to see… Continue Reading kotlin-quasar-advanced
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Java Web Weekly, Issue 152 1. Spring and Java ===== >> The Joy of Mustache: Server Side Templates for the JVM [spring.io] An intro to Mustache and Spring Boot – what more do you need? >> Keeping The Community In The Java Community Process (JCP) [sitepoint.com] A short history of… Continue Reading java-web-weekly-152
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Guide To CompletableFuture 1. Introduction This article is a guide to the functionality and use cases of the CompletableFuture class – introduced as a Java 8 Concurrency API improvement. Further reading: Runnable vs. Callable in Java Learn the difference between Runnable and Callable interfaces in Java. Read more → Guide… Continue Reading java-completablefuture
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A Guide To NIO2 File Attribute APIs 1. Overview In this article, we are going to explore one of the advanced features of the Java 7 NIO.2 filesystem APIs – specifically file attribute APIs. We have previously covered the File and Path APIs if you want to dig deeper into… Continue Reading java-nio2-file-attribute
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Performance of contains() in a HashSet vs ArrayList 1. Introduction In this quick guide, we’re going to discuss the performance of the contains() method available in java.util.HashSet and java.util.ArrayList. They are both collections for storing and manipulating objects. HashSet is a collection for storing unique elements. To learn more about the HashSet,… Continue Reading java-hashset-arraylist-contains-performance
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Guide to Elasticsearch in Java 1. Overview In this article, we’re going to dive into some key concepts related to full-text search engines, with a special focus on Elasticsearch. As this is a Java-oriented article, we’re not going to give a detailed step-by-step tutorial on how to setup Elasticsearch and… Continue Reading elasticsearch-java
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A Guide to JavaFaker 1. Overview JavaFaker is a library that can be used to generate a wide array of real-looking data from addresses to popular culture references. In this tutorial, we’ll be looking at how to use JavaFaker’s classes to generate fake data. We’ll start by introducing the Faker… Continue Reading java-faker
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