Alexey Zvolinskiy

About Alexey Zvolinskiy

Alexey is a test developer with solid experience in automation of web-applications using Java, TestNG and Selenium. He is so much into QA that even after work he provides training courses for junior QA engineers.

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Design Patterns: Strategy

This time I want to talk about Strategy design pattern. In this way I start articles about behavioral design patterns. These kind of patterns represent some schemas of interaction between ...
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Spring MVC: Validator and @InitBinder

It’s hard to imagine a web-application which doesn’t has some validation logic for an user data. Almost all user’s data has some constraints, e.g. date of birth should consist ...
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Design Patterns: Prototype

The one of creational design patterns is a Prototype design pattern. Despite that the Prototype is the creational pattern it distinguishes from other patterns by a concept. I mean that ...
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Design Patterns: Builder

Sometimes there is a need to create a complex object in application. The one solution for this is a Factory pattern, the another one is a Builder design pattern. In some situation you ...
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Spring JPA Data + Hibernate + MySQL + Maven

Development of web-applications with the help of Spring MVC implies creation of several logical layers of architecture. One of the layers is a DAO (Repository) layer. It is responsible ...
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JUnit and Mockito cooperation

This time I want to make an overview of testing framework Mockito. Definitely this is one of the most popular tools for the testing of java code. I have already made the overview of ...
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Spring MVC: form handling vol. 4 – radiobuttons

In the world of software development radiobuttons are essential part of graphic user interface. Spring MVC tag library provides special tag for this element of form. If to be more precisely ...
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Spring MVC: form handling vol. 3 – checkboxes processing

I have already published the post about processing of ‘checkbox’ tag using Spring MVC tag library. Now I want to develop this theme and proceed with the ‘checkboxes’ tag. It’s ...
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Spring MVC: form handling vol. 2 – checkbox processing

It’s hard to imagine a situation when a modern web-application doesn’t have checkboxes in a form. In one of the previous posts I wrote about form handling in Spring MVC, as a continuation ...
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Spring MVC: Security with MySQL and Hibernate

Spring has a lot of different modules. All of them are useful for the concrete purposes. Today I’m going to talk about Spring Security. This module provides flexible approach to manage ...
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