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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.LoopTest that are also displayed in the Help of the java.exe e.g. where options include: -client to select the “client” VM -server to select the “server” VM What’s the difference between the -client and -server systems? These two systems are ...

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Best Of The Week – 2011 – W29

Hello guys, Time for the “Best Of The Week” links for the week that just passed. Here are some links that drew JavaCodeGeeks attention: * Facebook trapped in MySQL ‘fate worse than death’: In this article the author argues that MySQL is posing a liability into Facebook’s growth and performance.This predicament is common among web startups that start small and ...

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jqGrid, REST, AJAX and Spring MVC Integration

spring-interview-questions-answers

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 I have taken much more lightweight and modern approach with a set of popular and well established frameworks and libraries. Namely, we will use Spring MVC ...

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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 This can mean that an incorrect or out of date answer might never be corrected. Here are some questions and answer which are not quite correct or are now out of date. i.e. are pre Java 5.0. Every provided question is followed by ...

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The top 9+7 things every programmer or architect should know

I recently finished 97 Things every programmer should know. Well to be completely honest I did skim over a couple of the 97, but all and all this was a very nice compilation of thoughts and topics about software development from very experienced authors. Well worth a read. A couple of the “97 Things” discussed, stood out more than the ...

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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 the program is finished with it. The try-with-resources statement ensures that each resource is closed at the end of the statement. Any object that implements the java.lang.AutoCloseable or java.io.Closeable ...

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Best Of The Week – 2011 – W28

Hello guys, Time for the “Best Of The Week” links for the week that just passed. Here are some links that drew JavaCodeGeeks attention: * Beyond Persistence – How to Exploit Your Database for Better Performance: A short article providing some tips on how to optimize the data access layer of applications by “violating” a paradigm that is often referred ...

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Android Game Development – The Game Loop

The game loop is the heartbeat of every game. We used a very rudimentary one so far (you can find it here) without any control over how fast or slow we update our game state and which frames to render. To recapitulate, the most rudimentary game loop is a while loop that keeps executing some instructions until we signal it ...

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