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Build a Basic App with Spring Boot and JPA using PostgreSQL

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“I love writing authentication and authorization code.” ~ No Java Developer Ever. Tired of building the same login screens over and over? Try the Okta API for hosted authentication, authorization, and multi-factor auth. Every non-trivial application needs a way to save and update data: a resource server that is accessible via HTTP. Generally, this data must be secured. Java is ...

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Apache Camel 2.23 released

Yesterday Apache Camel 2.23 was released which most noteworthy new feature is support for Spring Boot 2.1, where we also improved the starter components to include more metadata and more optimized for the improved Spring Boot auto configuration. This release is mainly a big bug fix release and some other minor new features. One of these features is to allow for ...

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Build a Simple CRUD App with Spring Boot and Vue.js

spring-interview-questions-answers

“I love writing authentication and authorization code.” ~ No Java Developer Ever. Tired of building the same login screens over and over? Try the Okta API for hosted authentication, authorization, and multi-factor auth. In this tutorial, you’re going to build a complete CRUD web application using Vue.js for the client and Spring Boot as the resource server. You’ll also secure ...

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Running code on Spring Boot startup

spring-interview-questions-answers

Spring Boot does a lot of configuration automatically for us but sooner or later you’ll have to do some custom work. In this post, you will learn how to hook into the application bootstrap lifecycle and execute code on Spring Boot startup. So let’s see what the framework has to offer. 1. Execute method on bean initialization The simplest way ...

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Understanding H2 InMemory Database with Spring Boot

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Introduction Basically the database setup involves several steps before we can use it through configured datasource in our application. This actually is required in case of actual project implementations. However, there are situations where we just need a POC to be done for something, and the whole database setup thing still becomes an obligation. Similarly, for unit tests, it would ...

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Spring Boot Microservices , Docker and Kubernetes workshop – part2

In the previous post we created our first micro service “ProductService” using SpringBoot and Docker. In this part we will go into details of how to manage multiple microservices using Spring Cloud, netflix libraries, API gateways . For our order management system, let’s say,  a minimal relationship could be something like this : So, let’s build 2 more services called “orderService” ...

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Spring Data with Thymeleaf

spring-interview-questions-answers

Intro Today I’ll talk about more specific issues. No design patterns or algorithms this time :-). We don’t always design software components from scratch. Often we have to try to make existing software components work together. Spring Boot is one the best free software in the Java world. It resolved a lot of configuration issues with Spring. It is very ...

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Eclipse RAP with Spring Boot

Intro I like Eclipse :-). I’ve been using it for many years. I think the IDE is great and it is free! But Eclipse is much more than just the IDE. It is more like an ecosystem of applications, plugins and projects. Anyone can use the Eclipse Framework to create his/her own Eclipse-based application.   It is called Eclipse RCP ...

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