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spring-interview-questions-answers

Spring MVC Form Validation (With Annotations)

This post provides a simple example of a HTML form validation. It is based on the Spring MVC With Annotations example. The code is available on GitHub in the Spring-MVC-Form-Validation ...
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Lets Crunch big data

As developers our focus is on simpler, effective solutions and thus one of the most valued principle is “Keep it simple and stupid”. But with Hadoop map-reduce it was a bit hard ...
spring-interview-questions-answers

Spring Constructor Injection and Argument names

At runtime, java classes do not retain the name of the constructor or method parameters, unless classes are compiled with debug options on.This has some interesting implications ...
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Advanced ZK: Asynchronous UI updates and background processing – part 2

Introduction In part 1 I showed how server push and threads can be used to execute background tasks in a ZK application. However, the simple example had a major flaw that makes it a ...
java-interview-questions-answers

Rest using Jersey – Complete Tutorial with JAXB, Exception Handling and Client Program

Recently I started working on a Restful web service project using Jersey API. There are some tutorials available online but I faced some issues with exception handling and I didn’t ...
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Batoo JPA – 15x Faster Than The Leading JPA Provider

Introduction I loved the JPA 1.0 back in early 2000s. I started using it together with EJB 3.0 even before the stable releases. I loved it so much that I contributed bits and parts ...
java-interview-questions-answers

Java Temporary Caching API – Test-driving the Early Draft Review RI

It was known as ‘ The Neverending Story‘. The JSR kicked of 11 and a half year ago and passed the JSR Review Ballot on 06 Mar, 2001. If you ever wondered what it takes ...
java-interview-questions-answers

JavaEE Revisits Design Patterns: Decorator

This time last year I wrote a series of blog posts on JavaEE implementation of design patterns. Roughly after a year, I realized I missed my favorite pattern, the decorator. Decorator ...
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Introduction to PostgreSQL PL/java

Modern databases allow stored procedures to be written in a variety of languages. One commonly implemented language is java.N.B., this article discusses the PostgreSQL-specific java ...
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Sending Event Invitations With Seam

These days one of my colleagues had problems with sending event invitation using mail templates with seam (version 2.x). In basic this should not be a hard task, so I will in short ...
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