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Basic EJB References, Injection and Lookup

In the first part of this series we’ve introduced the mechanisms provided by the Enterprise JavaBeans v. 3.0 Specification to define EJB components, declare a reference to an ...
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An Introduction to EJB 3.0 Injection and Lookup

Introduction The Enterprise JavaBeans Specification v. 3.0 introduces a simplified, annotation based API for EJB injection and lookup. EJB 3.0 are now POJOs and can be injected in other ...
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Hibernate Gotchas to Watch out

I’ve been using Hibernate for some time now and when I don’t work on a hibernate project for a while I find myself doing the same mistakes I did the previous times. So ...
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C++ or Java, which is faster for high frequency trading?

Overview There are conflicting views as to what is the best solution for high frequency trading. Part of the problem is that what is high frequency trading varies more than you might ...
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Java and Memory Leaks

Overview The term “memory leak” is used in Java in a manner which is different to how it is used in other languages. What does a “memory leak” mean in general ...
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How to get C like performance in Java

Overview Java has many areas which can be slow. However for every problem there is a solution. Many solutions/hacks require working around Java’s protections but if you need low ...
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JVM options: -client vs -server

Have you ever wonder what is this -client or -server switch when you run your java app? e.g.: javaw.exe -client com.blogspot.sdoulger.LoopTestthat are also displayed in the Help ...
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jqGrid, REST, AJAX and Spring MVC Integration

More than two years back I wrote an article on how two implement elegant CRUD in Struts2. Actually I had to devote two articles on that subject because the topic was so broad. Today ...
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Hibernate autocommit commands force MySQL in excessive disk I/O

Dear All, I am sure many of you use Hibernate and MySQL, I use it here and there myself. Generally the programming model is nice, but it is no secret that plain JDBC can be a lot faster. ...
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Incorrect Core Java Interview Answers

Overview On the internet, Java interview questions and answers get copied from one web site to another. This can mean that an incorrect or out of date answer might never be corrected. ...
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