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Guide to AWS Aurora RDS with Java 1. Introduction Amazon Aurora is a MySQL and PostgreSQL compatible relational database built for the cloud that combines the performance and availability of high-end commercial databases with the simplicity and cost-effectiveness of open source databases. In this tutorial, we’ll cover how to create and interact… Continue Reading aws-aurora-rds-java
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Introduction To Docx4J 1. Overview In this article, we’ll focus on creating a .docx document using the docx4j library. Docx4j is a Java library used for creating and manipulating Office OpenXML files – which means it can only work with the .docx file type, while older versions of Microsoft Word… Continue Reading docx4j
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A Guide to Cassandra with Java 1. Overview This tutorial is an introductory guide to the Apache Cassandra database using Java. You will find key concepts explained, along with a working example that covers the basic steps to connect to and start working with this NoSQL database from Java. 2.… Continue Reading cassandra-with-java
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The Adapter Pattern in Java 1. Overview In this quick tutorial, we’ll have a look at the Adapter pattern and its Java implementation. 2. Adapter Pattern An Adapter pattern acts as a connector between two incompatible interfaces that otherwise cannot be connected directly. An Adapter wraps an existing class with… Continue Reading java-adapter-pattern
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Interpolation Search in Java 1. Introduction In this tutorial, we’ll walk through interpolation search algorithms and discuss their pros and cons. Furthermore, we’ll implement it in Java and talk about the algorithm’s time complexity. 2. Motivation Interpolation search is an improvement over binary search tailored for uniformly distributed data. Binary… Continue Reading java-interpolation-search
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Introduction to Akka HTTP 1. Overview In this tutorial, with the help of Akka’s Actor & Stream models, we’ll learn how to set up Akka to create an HTTP API that provides basic CRUD operations. 2. Maven Dependencies To start, let’s take a look at the dependencies required to start… Continue Reading akka-http
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Intro to Performance Testing using JMeter 1. Overview In this article, we’re going to use Apache JMeter to configure and run performance tests. 2. Setting up JMeter Let’s download JMeter, unzip it, go to the bin folder and run the executable (*.bat for Windows and *.sh for Linux/Unix). Next, we… Continue Reading jmeter
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Serialize Only Fields that meet a Custom Criteria with Jackson 1. Overview This tutorial is going to illustrate how we can use Jackson to only serialize a field if it meets a specific, custom criteria. For example, say we only want to serialize an integer value if it’s positive –… Continue Reading jackson-serialize-field-custom-criteria
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Accessing Spring MVC Model Objects in JavaScript 1. Overview In this tutorial, we’re going to show how to access Spring MVC objects in Thymeleaf views that contain JavaScript code. We’ll use Spring Boot and the Thymeleaf template engine in our examples, but the idea works for other template engines as well.… Continue Reading spring-mvc-model-objects-js
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Spring Vault 1. Overview HashiCorp’s Vault is a tool to store and secure secrets. Vault, in general, solves the software development security problem of how to manage secrets. To learn more about it, check out our article here. Spring Vault provides Spring abstractions to the HashiCorp’s Vault. In this tutorial,… Continue Reading spring-vault
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