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Enterprise Java

How to use Java SpringLayout

In this article we’re going to see how to use SpringLayout, a class to build GUI in Java. 1. Introduction SpringLayout is a class that arranges children elements associated in the container, using a sort of constraints. To clarify, this class is a very flexible layout manager that can emulate many of the features of other layout managers. However, SpringLayout ...

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How to Handle Exceptions in Rest Service

In this article, we will explain how to Handle Exceptions in Rest Service. 1. Introduction Rest Service is a lightweight service that is built on the REpresentational State Transfer (REST) architecture via HTTP protocol. HTTP status code defines 4xx and 5xx error codes. Java API for RESTFul Web services (JAX-RS) specification is defined by Java EE with a set of ...

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Apache Kafka Simple Producer Example

1. Introduction This is an in-depth article related to the Apache Kafka producer example. Apache Kafka is an Apache open-source project. It was initially created on Linkedin. Kafka framework was created in java and scala. It supports publish-subscribe messaging and is fault-tolerant. It is scalable and performs for high-volume messaging. Zookeeper is the basic component that manages the Apache Kafka ...

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Spring Boot Application Deployment on Heroku

Welcome, in this tutorial, we will see how to deploy a simple spring boot application on the Heroku platform. 1. Introduction Before going further in this tutorial, let us understand Spring Boot. Spring boot is a module that provides rapid application development feature to the spring framework including auto-configuration, standalone-code, and production-ready code It creates applications that are packaged as ...

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Apache Kafka Messaging System and Workflow

1. Introduction This is an in-depth article related to the Apache Kafka messaging system and workflow. Apache Kafka was created in Linkedin. It is an open-source project from Apache from 2011. Kafka framework was developed in java and scala. It supports publish-subscribe messaging and is fault-tolerant. It can scale and is performant. 2. Apache Kafka Apache Kafka is based on ...

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How to Download Spring Framework

1. Introduction This is an in-depth article related to downloading of Spring framework. Spring Framework helps in creating stand-alone and production-ready applications. Spring Framework features are Spring MVC, JPA, Spring Boot, Micro Containers, and Messaging. It is an open-source software framework used by developers for creating web applications and services. Developers use Java technology stack for creating web apps. 2. ...

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Finding Spring Versions

In this article, we’re going to discuss Spring Framework and Spring Boot versions and which Java version works on each one. 1. Introduction When you work with the Spring environment, maybe you are familiar with both Framework and Boot. Also, we can use just one of them to create an application as well. But, for sure that what version we ...

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OpenAPI implementation through Swagger

In this article we will learn about OpenAPI specification and how swagger implements it. 1. Introduction The OpenAPI specification defines the standard of describing HTTP API for any project. This is programming-language agnostic. This helps humans and computers to know about the System/API without the need to look into the code. If the specification is properly implemented it helps a ...

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Security Architecture with Spring

1. Introduction This is an in-depth article related to Spring Security Architecture. Spring Framework is used for developing stand-alone and production-ready applications. Spring Framework features are Spring MVC, JPA, Spring Boot, Micro Containers, and Messaging. It is an open-source software framework. Developers use it for creating web applications and services using the Java technology stack. In the spring framework, security ...

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Introduction to Spring Webflux

Welcome, in this tutorial, we will see how to create a simple spring boot reactive programming application with webflux. 1. Introduction Before going further in this tutorial, let us understanding webflux and reactive programming. 1.1 Webflux Webflux is the reactive-web framework in spring and was added as a part of the 5.0 release It offers asynchronous, non-blocking, and event-driven approach ...

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