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Baeldung Weekly Review 18 At the very beginning of 2014 I decided to track my reading habits and share the best stuff here, on Baeldung. 2014 has been quite the year, covering each week with a review. I’ve been doing a lot more reading to make sure I cover and… Continue Reading 2015-week-review-18
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A Guide to HashSet in Java 1. Overview In this article, we’ll dive into HashSet. It’s one of the most popular Set implementations as well as an integral part of the Java Collections Framework. 2. Intro to HashSet HashSet is one of the fundamental data structures in the Java Collections… Continue Reading java-hashset
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Closures in Groovy 1. Overview In this Introductory tutorial, we’ll explore the concept of closures in Groovy, a key feature of this dynamic and powerful JVM language. Many other languages, including Javascript and Python, support the concept of closures. However, the characteristics and functioning of closures vary from language to… Continue Reading groovy-closures
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Introduction to Spring’s StreamUtils 1. Overview In this article, we’ll have a look at StreamUtils class and how we can use it. Simply put, StreamUtils is a Spring’s class that contains some utility methods for dealing with stream – InputStream and OutputStream which reside in the package java.io and not… Continue Reading spring-stream-utils
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Java Web Weekly, Issue 150 1. Spring and Java ===== >> Oracle Presents First Proposal for Value Types Implementation [infoq.com] The value types proposal is being approached in a gradual, intelligent manner – first the JVM support and then the actual language support. >> A beginner’s guide to SQL injection… Continue Reading java-web-weekly-150
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Inject Parameters into JUnit Jupiter Unit Tests 1. Overview Prior to JUnit 5, to introduce a cool new feature, the JUnit team would have to do it to the core API. With JUnit 5 the team decided it was time to push the capability to extend the core JUnit API… Continue Reading junit-5-parameters
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Java @SuppressWarnings Annotation 1. Overview In this quick tutorial, we’ll have a look at how to use the @SuppressWarnings annotation. 2. @SuppressWarnings Annotation Compiler warning messages are usually helpful. Sometimes warnings can get noisy, though. Especially when we can’t or don’t want to address them: public class Machine { private List… Continue Reading java-suppresswarnings
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DistinctBy in the Java Stream API 1. Overview Searching for different elements in a list is one of the common tasks that we as programmers usually face. From Java 8 on with the inclusion of Streams we have a new API to process data using functional approach. In this article,… Continue Reading java-streams-distinct-by
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Apache Maven Tutorial 1. Introduction Building a software project typically consists of such tasks as downloading dependencies, putting additional jars on a classpath, compiling source code into binary code, running tests, packaging compiled code into deployable artifacts such as JAR, WAR, and ZIP files, and deploying these artifacts to an… Continue Reading maven
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Guide to the Kotlin Exposed Framework 1. Introduction In this tutorial, we’re going to look at how to query a relational database using Exposed. Exposed is an open source library (Apache license) developed by JetBrains, which provides an idiomatic Kotlin API for some relational database implementations while smoothing out the… Continue Reading kotlin-exposed-persistence
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