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Java – Generate Random String In this article, we’re going to show how to generate a random String in Java – first using the standard Java libraries and the using the Apache Commons Lang library. This article is part of the “Java – Back to Basic” series here on Baeldung.… Continue Reading java-random-string
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Intro to Apache BVal 1. Introduction In this article, we will take a look at the Apache BVal library’s implementation of the Java Bean Validation specification (JSR 349). 2. Maven Dependencies In order to use Apache BVal, we first need to add the following dependencies to our pom.xml file: <dependency>… Continue Reading apache-bval
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Iterable to Stream in Java 1. Overview In this short tutorial, let’s convert a Java Iterable object into a Stream and perform some standard operations on it. 2. Converting Iterable to Stream The Iterable interface is designed keeping generality in mind and does not provide any stream() method on its… Continue Reading java-iterable-to-stream
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Introduction to Apache Curator 1. Introduction Apache Curator is a Java client for Apache Zookeeper, the popular coordination service for distributed applications. In this tutorial, we’ll introduce some of the most relevant features provided by Curator: Connection Management – managing connections and retry policies Async – enhancing existing client by… Continue Reading apache-curator
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Java Weekly, Issue 234 Here we go… 1. Spring and Java ===== >> Monitor and troubleshoot Java applications and services with Datadog Sponsored Optimize performance with end-to-end tracing and out-of-the-box support for popular Java frameworks, application servers, and databases. Try it out. >> Refactoring to Eclipse Collections: Making Your Java Streams… Continue Reading java-weekly-234
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Introduction to Advice Types in Spring 1. Overview In this article we’ll discuss different types of AOP advice that can be created in Spring. Advice is an action taken by an aspect at a particular join point. Different types of advice include “around,” “before” and “after” advice. The main purpose… Continue Reading spring-aop-advice-tutorial
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Non-blocking Spring Boot with Kotlin Coroutines 1. Overview Kotlin Coroutines can often add readability to reactive, callback-heavy code. In this tutorial, we’ll find out how to leverage these coroutines for building non-blocking Spring Boot applications. We’ll also compare the reactive and coroutine approaches. 2. Coroutine Motivation Nowadays, it is common for… Continue Reading spring-boot-kotlin-coroutines
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HibernateException: No Hibernate Session Bound to Thread in Hibernate 3 1. Introduction In this short tutorial, we’ll clarify when “No Hibernate Session Bound to Thread” exception gets thrown and how to resolve it. We’ll be focusing here on two different scenarios: using the LocalSessionFactoryBean using the AnnotationSessionFactoryBean 2. The Cause… Continue Reading no-hibernate-session-bound-to-thread-exception
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Scheduling in Java EE 1. Overview In a previous article, we demonstrated how to schedule tasks in Spring using * @Scheduled *__ annotation. In this article, we will demonstrate how to achieve the same by using the timer service in a Java Enterprise Edition application for each case presented in… Continue Reading scheduling-in-java-enterprise-edition
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Overview of Java Built-in Annotations 1. Overview In this article, we’ll talk about a core feature of the Java language – the default annotations available in the JDK. 2. What an Annotation Is Simply put, annotations are Java types that are preceded by an “@” symbol. Java has had annotations… Continue Reading java-default-annotations
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