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Creating quality Web sites and services involves ensuring they perform well and handle the load expected of them in real-world scenarios. In this video you will be introduced to the load testing capabilities of Visual Studio Online. These features enable Visual Studio Ultimate developers to conduct load tests that scale to thousands of virtual users, without the need for on-premises infrastructure (NOTE: This description taken directly from Microsoft Site).

 

http://channel9.msdn.com/Events/Visual-Studio/Launch-2013/QE103/player?h=540&w=960&format=flash

https://www.artima.com/insidejvm/ed2/jvmP.html

http://www.javaworld.com/article/2076841/core-java/designing-with-interfaces.html

After struggling with understanding how to use interfaces in Java for a while, I finally found the best description on how to use them. I’m not surprised this information was written back in 1998. Here’s some excerpts from the article that pretty much sums up the reason for interfaces …..

“In Java, interfaces solve all these ambiguities caused by the diamond problem (see article). Through interfaces, Java allows multiple inheritance of interface but not of implementation. Implementation, which includes instance variables and method implementations, is always singly inherited. As a result, confusion will never arise in Java over which inherited instance variable or method implementation to use.”

“Java’s interface gives you more polymorphism than you can get with singly inherited families of classes, without the “burden” of multiple inheritance of implementation.”

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