Updated: 2021-03-26 22:22:58
Design patterns are important as they help us solve general problems with software that people face during development. These patterns help us make code maintainable, extensible, and loosely coupled. One such design pattern is the Singleton Design pattern.
In simple terms, Singleton is a class that allows us only to create a single instance of it. It makes it impossible for us to instantiate the class for the second time.
Updated: 2021-03-26 21:59:40
Java Zone Thanks for visiting DZone , today Edit Profile Manage Email Subscriptions How to Post to DZone Sign Out View Profile Post Over 2 million developers have joined . DZone Log In Join Refcardz Research Webinars Zones Agile AI Big Data Cloud Database DevOps Integration IoT Java Microservices Open Source Performance Security Web Dev DZone Java Zone How to Convert PDF to Text in Java How to Convert PDF to Text in Java Utilize OCR technology to convert a PDF to text using an API in . Java by Laura Bouchard CORE Mar . 26, 21 Java Zone Tutorial Like 1 Comment Save Tweet 534 Views Join the DZone community and get the full member . experience Join For Free Without the ability to copy , paste , or edit within a PDF document , it can be a frustrating task to manually transcribe a PDF to text .
Updated: 2021-03-25 15:38:30
Despite the popularity of Python, Go, and Node.js for implementing artificial intelligence and machine learning applications and serverless functions on Kubernetes, Java technologies still play a key role in developing enterprise applications. According to Developer Economics, in Q3 2020, there were 8 million enterprise Java developers worldwide.
Although the programming language has been around for more than 25 years, there are always new trends, tools, and frameworks in the Java world that can empower your applications and your career.
Updated: 2021-03-24 22:18:46
Java Zone Thanks for visiting DZone , today Edit Profile Manage Email Subscriptions How to Post to DZone Sign Out View Profile Post Over 2 million developers have joined . DZone Log In Join Refcardz Research Webinars Zones Agile AI Big Data Cloud Database DevOps Integration IoT Java Microservices Open Source Performance Security Web Dev DZone Java Zone Project Reactor and Caching With Caffeine Project Reactor and Caching With Caffeine Learn how to get Reactor playing with . Caffeine by Biju Kunjummen Mar . 24, 21 Java Zone Tutorial Like 1 Comment Save Tweet 457 Views Join the DZone community and get the full member . experience Join For Free So you have a function that takes a key and returns a Project Reactor Mono type . nbsp Java x 1 Mono String get String key 2 Random random
Updated: 2021-03-24 14:57:25
In the video below, we take a closer look at the API Authentication: Basic Authentication | What is Basic Authentication? Let's get started!
Updated: 2021-03-24 00:46:24
Java Zone Thanks for visiting DZone , today Edit Profile Manage Email Subscriptions How to Post to DZone Sign Out View Profile Post Over 2 million developers have joined . DZone Log In Join Refcardz Research Webinars Zones Agile AI Big Data Cloud Database DevOps Integration IoT Java Microservices Open Source Performance Security Web Dev DZone Java Zone Always Name Your Thread Pools Always Name Your Thread Pools Make life a little easier for the non-Spring . folk by Bozhidar Bozhanov Mar . 24, 21 Java Zone Tutorial Like 3 Comment Save Tweet 605 Views Join the DZone community and get the full member . experience Join For Free Our software tends to use a lot of thread pools â mostly through java.util.concurrent.ExecutorService implementations Created via Executors.new . We create these for
Updated: 2021-03-23 22:05:22
Each time we inject a dependency into our project, we sign a contract, which often has lots of hidden things "written in the fine print". In this article, we will take a look at something you could miss when signing a tripartite contract between you, Hibernate, and Spring Boot. We will talk about naming strategies.
Defaults in JPA Naming
The ultimate rule about defaults: they must be intuitive. Let's check if this rule applies to a standard Spring Boot application with default configuration using Hibernate as a JPA implementation. Imagine you have an entity "PetType". Let's guess what table name in the database it is associated with.
Updated: 2021-03-23 21:54:32
Java Zone Thanks for visiting DZone , today Edit Profile Manage Email Subscriptions How to Post to DZone Sign Out View Profile Post Over 2 million developers have joined . DZone Log In Join Refcardz Research Webinars Zones Agile AI Big Data Cloud Database DevOps Integration IoT Java Microservices Open Source Performance Security Web Dev DZone Java Zone How to Extract Sentences and Entities From a String in Java How to Extract Sentences and Entities From a String in Java Perform sentence segmentation or extract entities from an input string using Natural Language Processing . APIs by Laura Bouchard CORE Mar . 23, 21 Java Zone Tutorial Like 1 Comment Save Tweet 460 Views Join the DZone community and get the full member . experience Join For Free In this article , we will be discussing more
Updated: 2021-03-23 20:01:05
: Java Zone Thanks for visiting DZone , today Edit Profile Manage Email Subscriptions How to Post to DZone Sign Out View Profile Post Over 2 million developers have joined . DZone Log In Join Refcardz Research Webinars Zones Agile AI Big Data Cloud Database DevOps Integration IoT Java Microservices Open Source Performance Security Web Dev DZone Java Zone Java Game Programming For Beginners : Where to Start Java Game Programming For Beginners : Where to Start Java game programming is an industry in technology that is always growing . If you're wondering where to start in developing a game in Java , this is the article for . you by Kartik Prajapati Mar . 23, 21 Java Zone Tutorial Like 1 Comment Save Tweet 613 Views Join the DZone community and get the full member . experience Join For Free
Updated: 2021-03-23 18:54:37
In this post, we are going to discuss how to find your Java application process ID quickly. For certain monitoring tools like yCrash, you need to pass your application process ID as input.
Finding Java Application Process ID in Linux
n any Linux/Unix flavor of operating system, issue the command:
Updated: 2021-03-23 16:51:44
Spring's @Transactional annotation is easy to use, but it may cause different types of errors if you don't know about the common pitfalls to look out for. In this article, I will show you the possible errors you can run into.
Suppose we write pseudocode like this: We have a service called DanceService.java and this service has a transactional method called letsDance. This code runs perfectly. What happens when we have an exception?
Updated: 2021-03-23 16:17:58
In the video below, we take a closer look at the Authentication vs. Authorization (Version 4) | Session and JWT Token-based Authentication. Let's get started!
Updated: 2021-03-23 02:14:49
: Java Zone Thanks for visiting DZone , today Edit Profile Manage Email Subscriptions How to Post to DZone Sign Out View Profile Post Over 2 million developers have joined . DZone Log In Join Refcardz Research Webinars Zones Agile AI Big Data Cloud Database DevOps Integration IoT Java Microservices Open Source Performance Security Web Dev DZone Java Zone The Data Access Layer in Jmix : JPA on Steroids The Data Access Layer in Jmix : JPA on Steroids With Jmix JPA metadata , you get advanced security , soft delete and generic REST and GraphQL out-of-the-box almost without . coding by Andrey Belyaev CORE Mar . 22, 21 Java Zone Review Like 2 Comment Save Tweet 520 Views Join the DZone community and get the full member . experience Join For Free Introduction The data model is one of the
Updated: 2021-03-22 16:45:12
JBoss Server Not Starting In this post, we are going to discuss the deployment problem that prevents JbossServer from starting properly.
Error While Starting JBoss Server (in Domain Mode) The JbossServer logs in this case looks like below:
Updated: 2021-03-22 02:11:19
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