more and more
Java Web Weekly 44 Weekly Review At the very beginning of last year, I decided to track my reading habits and share the best stuff here, on Baeldung. Haven’t missed a review since. Here we go… 1. Spring and Java >> Will There Be Module Hell? [] A bit of… Continue Reading 2015-week-review-44
getdocs
Soft References in Java 1. Overview In this quick article, we’ll be talking about soft references in Java. We’ll explain what they are, why we need them, and how to create them. 2. What Are Soft References? A soft reference object (or a softly reachable object) can be cleared by… Continue Reading java-soft-references
getdocs
Sorting Strings by Contained Numbers in Java 1. Introduction In this tutorial, we’ll look at how to sort alphanumeric Strings by the numbers they contain. We’ll focus on removing all non-numeric characters from the String before sorting multiple Strings by the numerical characters that remain. We’ll look at common edge cases, including empty Strings… Continue Reading java-sort-strings-contained-numbers
getdocs
Java Weekly, Issue 184 Lots of interesting writeups on Java 9 this week. Here we go… 1. Spring and Java ===== >> Are Java 8 Streams Truly Lazy? Not Completely! [blog.jooq.org] It turns out that the Java 8 Streams API is not as lazy as you might think – the… Continue Reading java-weekly-184
getdocs
Introduction To Apache Camel 1. Overview In this article, we’ll introduce Camel and explore one of its core concepts – message routing. We’ll start by covering these foundational concepts and terminology and we’ll then present two main options for defining routes – Java DSL and Spring DSL. We’ll also demonstrate… Continue Reading apache-camel-intro
getdocs
Guava – Sets 1. Overview In this tutorial, we’ll illustrate the most useful ways you can leverage Guava to work with Java Sets. Let’s start very simple and create a HashSet without the new operator, using Guava: Set<String> aNewSet = Sets.newHashSet(); 2. Union of Sets First, let’s take a look… Continue Reading guava-sets
getdocs
Injecting Prototype Beans into a Singleton Instance in Spring Spring Spring DI 1. Overview In this quick article, we’re going to show different approaches of injecting prototype beans into a singleton instance. We’ll discuss the use cases and the advantages/disadvantages of each scenario. By default, Spring beans are singletons. The… Continue Reading spring-inject-prototype-bean-into-singleton
getdocs
Kotlin Java Interoperability 1. Overview In this tutorial, we’re going to discuss the interoperability between Java and Kotlin. We’re going to cover some basic examples as well as some other more complex scenarios. 2. Setting up Kotlin Creating a Kotlin project is very simple using IntelliJ, Eclipse, and even the… Continue Reading kotlin-java-interoperability
getdocs
Introduction to CheckStyle 1. Overview Checkstyle is an open source tool that checks code against a configurable set of rules. In this tutorial, we’re going to look at how to integrate Checkstyle into a Java project via Maven and by using IDE plugins. The plugins mentioned in below sections aren’t… Continue Reading checkstyle-java
getdocs
Find Sum and Average in a Java Array 1. Introduction In this quick tutorial, we’ll cover how we can calculate sum & average in an array using both Java standard loops and the Stream API. 2. Find Sum of Array Elements ==== 2.1. Sum Using a For Loop In order… Continue Reading java-array-sum-average
getdocs