About Hebert Coelho

Senior Java Development, with 4 certifications and a published book about JSF (portuguese only). Founder of the blog uaiHebert.com visited from more than 170 different countries.

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EasyCriteria has evolved to uaiCriteria. New name and more features

Hello, how are you? I am very happy to announce the release of the uaiCriteria, the EasyCriteria evolution. Was it really needed to change the framework name? Yes, sadly it was. I found ...
java-interview-questions-answers

JPA Hibernate Alternatives. What can I use if JPA or Hibernate is not good enough for my project?

Hello, how are you? Today we will talk about situations that the use of the JPA/Hibernate is not recommended. Which alternatives do we have outside the JPA world? What we will talk ...
java-interview-questions-answers

EasyCriteria 2.0 – JPA Criteria should be easy

In the post today we will see about the new version of the framework named EasyCriteria. At the end of this post we will see what is to come here in the blog. Unfortunately the JPA ...
java-interview-questions-answers

EasyCriteria – An easy way to use the JPA Criteria

Today we will see about this tool that make easier to use the JPA Criteria. The application that uses this library will be cleaner, easier to use and portable across the JPA implementations. ...
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JSF Simple Ajax Samples

Today we will see some Simple Samples of Ajax with JSF. If you want to see other posts about JSF/Web Applications click on the next links: JSF Persisting Objects and Messages after ...
java-interview-questions-answers

Ultimate JPA Queries and Tips List – Part 1

There are several JPAs “how to” that we can find on the internet, here in this blog, that teaches how to do several tasks with JPA. Usually I see some people asking questions about ...
java-interview-questions-answers

Ultimate JPA Queries and Tips List – Part 2

This part continues from the first part of the series. JPA: NamedQuery, querying with dates, warnings about the getSingleResult method To avoid the repetition of queries codes, upgrade ...
java-interview-questions-answers

Ultimate JPA Queries and Tips List – Part 3

Before you read the third part , remember the first and second part of the series JPA: Creating a object from a query The JPA allow us to create objects inside a query, just with the ...
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Four solutions to the LazyInitializationException – Part 2

This article continues from part 1 of the tutorial. Load collection by Stateful EJB with PersistenceContextType.EXTENDED This approach can be applied only to applications that works ...
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Four solutions to the LazyInitializationException – Part 1

In the post today we will talk about the common LazyInitializationException error. We will see four ways to avoid this error, the advantage and disadvantage of each approach and in ...
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