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Sneak peak at Java EE 7 – Multitenant Examples with EclipseLink

The Aquarium is a great source of inspiration and most recent information about Java EE progress across all relevant specifications and reference implementations. They picked up a presentation by Oracle’s Shaun Smith (blog/twitter) about the status and future of EclipseLink as an open source project. He covers all the new features which are going to be in EclipseLink 2.4 which ...

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Graphics Tutorial

As we all know that we can make games with the help of java libraries that provide us with the graphics needed for making them. So today I will be starting a very new section on Java Graphics. I had earlier made posts on How to make an income tax calculator. To start with here are some prerequisites : -You ...

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Solving the EULA problem

Everyone recognizes the situation. Some piece of software has released an update, or you are installing it for the first time, and you’re asked to accept a new EULA. The EULA is typically 5-15 pages of dense legal text. Almost everyone just tries their best to find the “accept” button as quickly as possible, sometimes giving a sigh as they ...

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My walk through the Git book

I’ve been experimenting with git for about the last year, but most of the work I did with it so far was in the “single developer, hack some stuff, push to github” mode of operation, which is very superficial. Now that I’ll be working with it full time (git is one of the “semi wildly adopted” SCMs at Google), I ...

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Integration testing scoped beans in CDI 1.0 and Spring 3.1

spring-interview-questions-answers

In this blog post I describe how to do integration testing with scoped beans in Spring and CDI. Everything is illustrated with small code samples. Integration testing with scopes is not particular easy. Imagine a bean that lives in the session scope, like UserCredentials. In an integration test you typically have no HttpRequest or HttpSession to work on (at least ...

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Small things around Oracle Weblogic 11g (10.3.4)

I am doing a lot of setting up and configuration for Weblogic this week (devops I guess). I have been working with Weblogic for the past 4 years and I have to admit – like Eclipse – I have started getting used of it. I was a Netbeans / JBoss developer and I’ve turned to Eclipse/ Weblogic guy. I am writing this ...

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Java Web Hosting Options Flowchart

java-interview-questions-answers

One question I get asked a lot, is where and how to host your Java web application. It’s all fine to create it inside Eclipse with an embedded server, but how do you get it to the people? For a long time, there was no answer for enthusiast programmers. There were only expensive and way oversized options. Things have changed ...

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Introduction to OSGi – Modular Java

OSGi Alliance is the governing body of this stranded and it was started at 1999. their initial goal was create open stranded for network devices. Based on this idea this specification introduced for Java also. Eclipse was first in Java. they introduced OSGi based Eclipse IDE at 2004 June. OSGi is way to define dynamic module in java. There are ...

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“Java Sucks” revisited

Overview An interesting document on Java’s short comings (from C developer’s perspective) was written some time ago (about 2000? ) but many of the arguments issues are as true (or not) today as they were ten years ago. The original Java Sucks posting. Review of short comings Java doesn’t have free(). The author lists this as a benefit and 99% ...

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