Java Development Topics:
Application scalability
Application Scalability refers to the ability of an application to handle different levels of usage. A highly scalable application will only require additional resources in order to handle higher usage loads. An application that is not scalable will require modifications to the application itself in order to handle higher usage loads. When programming an application, scalability is an important consideration. Scalability allows a program to handle different loads, but may limit application performance and functionality. In this section on application scalability, get the latest news, research, and tutorials to help make your applications scalable to fit your business needs. Learn techniques for determining how scalable an application should be and discover ways for estimating and optimizing application scalability.
News:
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OCPJP & OCAJP: Java 7 training requirement for the Oracle Certified Professional Programmer dropped
21 Dec 2011
News - In order to obtain the certified architect position from Oracle, attending and passing a training course is now required. But what about the Java Professional and Java Associate designations, OCPJP and OCAJP for Java 7?
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OCAJP and OCPJP Changes for Java 7: New Objectives, a Format Change and a Price Hike
16 Dec 2011
News - The OCP (Oracle Certified Professional) Java 7 certification (OCAJP and OCPJP), which replaced the SCJP certification, will now require you to pass two exams, each of which will cost $300 to take, pushing the cost of the designation to $600.
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New book details the concepts behind Java performance
08 Dec 2011
News - Java Performance, by Charlie Hunt and Binu John is a very technical guide to fine tuning Java applications for Windows, Linux, and Solaris systems.
Reference & Learning:
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Vowels don't cost $500: Pontificating on Java 7 variable naming conventions
26 Jan 2012
Tutorial - When naming your variables, put a little bit of thought into it and name them well. Well thought out variable names make Java programs both easier to read and easier to maintain. Good names can even make Java programming fun.
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New Java 7 Features: How to Use a More Precise Rethrow in Exceptions from Project Coin
12 Jan 2012
Tutorial - Afficionados of other languages such as Scala or Clojure are always slagging the fact that Java is too verbose and cumbersome. So, it's not too surprising to find out that Java 7 introduced a number of new facilities that can help to trim down the code...
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New Java 7 Features: The Try-with-resources Language Enhancement
29 Dec 2011
Tutorial - The OCPJP exam (Java SE 7 Programmer II) tests heavily on the new language enhancements that come with the latest version of the language. One of the key objectives is how to use the new try-with-resources syntax with objects that implement the...
Expert Technical Advice:
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Java 7 and the intricacies of safe and unsafe casting
26 Jan 2012
Tip - One of the problems with casting is that it does have the potential to cause a loss of precision, especially if the number that gets cast does indeed fall outside of the range of the target type. Here we will explain why this happens.