Michal Vrtiak

About Michal Vrtiak

Michal is a freelancer currently located in Prague, Czech Republic with huge passion for Java platform. He is very enthusiastic about Dependency Injection, IntelliJ IDEA and loves to use both Spring and Java EE.

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Apache Camel – developing application from the scratch (part 2 / 2)

This is the second part of the tutorial where we are creating an invoices processing application using Apache Camel. In case you missed it, be sure to look at the first part. Previously ...
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Apache Camel – developing application from the scratch (part 1 / 2)

Before we start Some time ago I wrote a tutorial on Spring Integration to demonstrate how to use Spring Integration in sample application inspired by real-world invoices processing ...
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Spring Integration – Application from scratch, Part 2

This is the second part of the tutorial where we are creating an invoices processing application using Spring Integration. In case you missed it, be sure to look at the first part. ...
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Spring Integration – Application from scratch, Part 1

Before we start In this tutorial you will learn what is Spring Integration, how to use it and what kind of problems does it help to solve. We will build a sample application from the ...
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IntelliJ IDEA: Generate equals, hashCode and toString with Google Guava

THE PROBLEM In the world of Java, we’re quite often in the need of writing equals, hashCode and toString methods. To be honest, this is usually only an boilerplate obligation. Thanks ...
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Spring – Adding AOP support

I heard a story about one senior (and quite highly paid) softwaree engineer. He was given task to log every method in every controller in project he was working on. Engineer rewrote ...
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Spring – Adding Spring MVC – part 2

In the previous part we’ve implemented controllers for managers and employees. Now that we know our way around, we’ll do little (but just little) more complicated stuff – controllers ...
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Spring – Adding Spring MVC – part 1

Welcome to the fourth part of this tutorial. In this part, we will write controllers and views using Spring MVC and think about our REST model. First thing that we must do, is make ...
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Spring – DAO and Service layer

Welcome to the third part of Spring tutorial. In this part, we will continue in writing our Timesheet application and this time we’ll implement DAO layer, business services and write ...
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Spring – Persistence layer – writing entities and configuring Hibernate

Welcome to the second part of this tutorial. Don’t freak out when you see how long this article is – I promise you it’s mostly easy POJOs and some generated code. Before we start, ...
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