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List of In-Memory Databases 1. Overview In-memory databases rely on system memory as opposed to disk space for storage of data. Because memory access is faster than disk access, these databases are naturally faster. Of course, we can only use an in-memory database in applications and scenarios where data doesn’t… Continue Reading java-in-memory-databases
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EnvironmentPostProcessor in Spring Boot 1. Overview As of Spring Boot 1.3, we’re able to use the EnvironmentPostProcessor to customize the application’s Environment before application context is refreshed. In this tutorial, let’s take a look at how to load and transform the custom properties into the Environment, and then access those properties.… Continue Reading spring-boot-environmentpostprocessor
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AssertJ’s Java 8 Features 1. Overview This article focuses on AssertJ‘s Java8-related features and is the third article from the series. If you’re looking for general information on its main features have a look at the first article in the series Introduction to AssertJ and then at AssertJ for Guava.… Continue Reading assertJ-java-8-features
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A Guide to JPA with Spring 1. Overview This tutorial shows how to set up Spring with JPA, using Hibernate as a persistence provider. For a step by step introduction about setting up the Spring context using Java based configuration and the basic Maven pom for the project, see this… Continue Reading the-persistence-layer-with-spring-and-jpa
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Spring Remoting with Hessian and Burlap 1. Overview In the previous article titled “Intro to Spring Remoting with HTTP Invokers” we saw how easy is to set up a client/server application that leverages remote method invocation (RMI) through Spring Remoting. In this article, we will show how Spring Remoting supports… Continue Reading spring-remoting-hessian-burlap
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Multi-Module Maven Application with Java Modules 1. Overview The Java Platform Module System (JPMS) adds more reliability, better separation of concerns, and stronger encapsulation to Java applications. However, it’s not a build tool, hence it lacks the ability for automatically managing project dependencies. Of course, we may wonder whether if… Continue Reading maven-multi-module-project-java-jpms
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Guava Set + Function = Map 1. Overview In this tutorial – we will illustrate one of many useful features in Guava‘s collect package: how to apply a Function to a Guava Set and obtain a Map. We’ll discuss two approaches – creating an immutable map and a live map… Continue Reading guava-set-function-map-tutorial
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Java Web Weekly, Issue 113 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 ===== >> Spring Boot with Scala [java-allandsundry.com] This is very cool… Continue Reading java-web-weekly-113
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Debugging Spring Applications 1. Introduction Debugging is one of the most important tools for writing software. In this tutorial, we’ll review some of the ways in which we can debug Spring applications. We’ll also see how Spring Boot, traditional application servers, and IDEs simplify this. 2. Java Debug Args First,… Continue Reading spring-debugging
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Circular Dependencies in Spring 1. What Is a Circular Dependency? It happens when a bean A depends on another bean B, and the bean B depends on the bean A as well: Bean A → Bean B → Bean A Of course, we could have more beans implied: Bean A… Continue Reading circular-dependencies-in-spring
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