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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 This can mean that an incorrect or out of date answer might never be corrected.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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Java 7: try-with-resources explained

This article examines the use of the try-with-resources statement. This is a try statement that declares one or more resources. A resource is as an object that must be closed after ...
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Java Secret: Using an enum to build a State machine

Overview The enum in Java is more powerful than many other languages which can lead to surprising uses. In this article, I outline some the individual features of enum in Java, and ...
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Low GC in Java: Use primitives instead of wrappers

Overview There are two good reason to use primitives instead of wrappers where possible.Clarity. By using a primitive, you are making it clear that a null value is not appropriate. Performance. ...
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OSGi Using Maven with Equinox

I have struggled to understand what OSGi really means for a long time. It has been around since a very long time but not many people are aware of it. It has been hyped as a very complex ...
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Java Pretty Good Privacy (PGP)

Public-Key Encryption This post talks about PGP or “Pretty Good Privacy.” PGP is a hybrid implementation of conventional cryptography as well as public key encryption. ...
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JavaFX 2.0 beta sample application and after thoughts

I had quite sometime back played around with JavaFX and had good and bad experiences using the language. With the JavaFX 2.0 beta being released I thought of giving it a try. Here, ...
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