Java Development Topics:
Application performance measurement
Application performance measurement is an important step in testing and refining a Java application. Application performance measurement lets developers and QA teams make sure the application meets expectations and will function properly once it is deployed. In this section on application performance measurement, learn techniques to measure application performance effectively, and read news and about application performance measurement products and trends.
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.
Video:
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How BI + ALM = ALI and real-time application traceability
12 Oct 2011
Video - Pairing business intelligence with application lifecycle management (ALM) promises to deliver real-time application requirements traceability and simplify change management, said Kelly Emo, HP director of applications product marketing, in a JavaOne 2011...
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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OCPJP & OCAJP Mock Exam Question for the Java 7 Exam
23 Jan 2012
Tutorial - Looking to get Java 7 certified from Oracle, and obtain your OCPJP or OCAJP, Professional or Associate designations? Well, you need to know the tricks they throw at you with regards to operator precedence. This question hits your knowledge of the OCAJP 7...
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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...
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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.
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OCPJP Java 7 Mock Certification Exam: A Tricky Question about ARM and Try-with-Resources
30 Dec 2011
Tip - The Oracle Certified Professional Java Programmer (OCPJP) exam requires you to know the ins and outs of the new language features introduced in Java 7. This tricky question tests you on your knowledge of try-with-resources and AutoCloseable objects.
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Performance monitoring tools optimize Java applications
15 Jun 2011
Tip - By taking advantage of Java monitoring and performance tuning tools, developers can expect to see consistent application performance across all hardware and operating systems.
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