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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 ...
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Design Best practices using Factory Method Pattern

In the previous Design Pattern example we have explained about a flavor of Factory pattern which is commonly used nowadays. In this session we will understand a more advanced solution ...
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Testing Quartz Cron expressions

Declaring complex Cron expressions is still giving me some headaches, especially when some more advanced constructs are used. After all, can you tell when the following trigger will ...
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Abstract Factory Design Pattern Explained

Abstract Factory Design Pattern is another flavor of Factory Design Pattern. This pattern can be considered as a “super factory” or “Factory of factories”. The Abstract Factory ...
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JavaOne 2012 Coverage

JavaOne, the annual Java extravaganza conference, took place from 30 September to 4 October in San Francisco. Numerous interesting presentations took place, proving once again a healthy ...
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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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Android – Select multiple photos from Gallery

Today i am going to discuss about implementation of selecting multiple photos from Photo Gallery. You know, i have searched enough to find out a solution for selecting multiple images ...
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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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Investigating Deadlocks – Part 1

I’m sure we’ve all been there: it’s late, you’re hungry, your server has hung or your application’s running at snail’s pace, and there’s someone breathing down your neck ...
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Locking with a semaphore : An example

Concurrency is one aspect that brings along interesting challenges along with it. If not correctly handled, it brings about race conditions that will baffle people because those issues ...
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