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Introduction to Guava CacheLoader 1. Introduction In this article, we’ll introduce the Guava CacheLoader. Before reading further, it’s recommended that there is a basic understanding of the LoadingCache class first. This is because the CacheLoader works with it specifically. Essentially, the CacheLoader is a function used for computing a value… Continue Reading guava-cacheloader
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Ignore Null Fields with Jackson 1. Overview This quick tutorial is going to cover how to set up Jackson to ignore null fields when serializing a java class. If you want to dig deeper and learn other cool things you can do with the Jackson 2 – head on over… Continue Reading jackson-ignore-null-fields
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Testing with Google Truth 1. Overview Truth is a fluent and flexible open-source testing framework designed to make test assertions and failure messages more readable. In this article, we’ll explore the key features of the Truth framework and implement examples to showcase its capabilities. 2. Maven Dependencies First, we need… Continue Reading google-truth
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Load Spring Boot Properties From a JSON File 1. Introduction Use external configuration properties is quite a common pattern. And, one of the most common questions is the ability to change the behavior of our application in multiple environments – such as development, test, and production – without having to change… Continue Reading spring-boot-json-properties
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Difference Between Flatmap and Switchmap in RxJava 1. Overview RxJava provides various operators to transform items emitted by an observable into other observables. Two of the most popular operators are flatMap and switchMap. The difference between the two is often hard to understand for beginners in reactive programming. For an… Continue Reading rxjava-flatmap-switchmap
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Maven Enforcer Plugin 1. Overview In this tutorial, we’re going to learn about the Maven Enforcer Plugin and how we can use it to guarantee the level of compliance in our project. The plugin is especially handy when we have distributed teams, scattered across the globe. 2. Dependency To make… Continue Reading maven-enforcer-plugin
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Guide to Java URL Encoding/Decoding 1. Introduction Simply put, URL encoding translates special characters from the URL to a representation that adheres to the spec and can be correctly understood and interpreted. In this article, we’ll focus on how to encode/decode the URL or form data so that it adheres… Continue Reading java-url-encoding-decoding
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Baeldung Weekly Review 23 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-23
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The Baeldung Weekly Review 19 1. Java and Spring ===== >> Too Fast, Too Megamorphic: what influences method call performance in Java? I’m starting this weeks review with a very solid analysis of various types of method invocations in Java, and the performance characteristics of each. This is an in-depth… Continue Reading 2014-week-review-19
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Checking if a Java Graph has a Cycle 1. Overview In this quick tutorial, we’ll learn how we can detect a cycle in a given directed graph. 2. Graph Representation For this tutorial, we’ll stick with the adjacency list graph representation. Firstly, let’s start by defining a Vertex in Java:… Continue Reading java-graph-has-a-cycle
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