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Working with JSON in Groovy 1. Introduction In this article, we’re going to describe and see examples of how to work with JSON in a Groovy application. First of all, to get the examples of this article up and running, we need to set up our pom.xml: <build> <plugins> //… Continue Reading groovy-json
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A Guide to REST-assured 1. Introduction REST-assured was designed to simplify the testing and validation of REST APIs and is highly influenced by testing techniques used in dynamic languages such as Ruby and Groovy. The library has solid support for HTTP, starting of course with the verbs and standard HTTP… Continue Reading rest-assured-tutorial
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Compiling Java *.class Files with javac 1. Overview This tutorial will introduce the javac tool and describes how to use it to compile Java source files into class files. We’ll get started with a short description of the javac command, then examine the tool in more depth by looking at… Continue Reading javac
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Java EE Servlet Exception Handling 1. Introduction In this tutorial, we’re going to handle exceptions in a Java EE Servlet application – in order to provide a graceful and expected outcome whenever an error happens. 2. Java EE Servlet Exceptions First, we’ll define a Servlet using the API annotations (have a… Continue Reading servlet-exceptions
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Checking If a List Is Sorted in Java 1. Overview In this tutorial, we’ll see different ways to check if a list is sorted in Java. 2. Iterative Approach The iterative approach is a simple and intuitive way to check for a sorted list. In this approach, we’ll iterate the… Continue Reading java-check-if-list-sorted
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Java 8 Stream API Analogies in Kotlin 1. Introduction Java 8 introduced the concept of Streams to the collection hierarchy. These allow for some very powerful processing of data in a very readable way, utilizing some functional programming concepts to make the process work. We will investigate how can we… Continue Reading java-8-stream-vs-kotlin
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Removing an Element From an ArrayList 1. Overview In this tutorial, we’re going to see how to remove elements from an ArrayList in Java using different techniques. Given a list of sports, let’s see how we can get rid of some elements of the following list: List<String> sports = new… Continue Reading java-arraylist-remove-element
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How to Copy an Array in Java 1. Overview In this quick article, we’ll discuss different array copying methods in Java. Array copy may seem like a trivial task, but it may cause unexpected results and program behaviors if not done carefully. 2. The System Class Let’s start with the… Continue Reading java-array-copy
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Guide to java.util.concurrent.BlockingQueue 1. Overview In this article, we will look at one of the most useful constructs java.util.concurrent to solve the concurrent producer-consumer problem. We’ll look at an API of the BlockingQueue interface and how methods from that interface make writing concurrent programs easier. Later in the article, we… Continue Reading java-blocking-queue
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Java Weekly, Issue 278 Here we go… 1. Spring and Java ===== >> Microservices with Spring Boot and Spring Cloud. From config server to OAuth2 server (without inMemory things — Part 2 [itnext.io] This week’s installment shows how to build a custom auth service, with a user repository and token… Continue Reading java-weekly-278
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