Why the JVM?

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Why the JVM is a better choice than the CLR these days

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  • Coming from .NET background .NET in Rafael Worked in MSSee/made mistakes in choosing .NET in past few projects (xsights, IAF, CodeValue)
  • anything from fast and efficient serialization to tooling for map/reduce to memory data grids to application servers and communications A lot of them are open sourced an free with permissive licenses
  • The Java platform is much more rich than the .NET one No need to reinvent the wheel – more time to focus on building business advantage E.g. ESBAuthenticationAuthorizationMediationService RegistryAudit TrailLoggingTracing.Net / Java interoperability Rule engines NoSQL databases (Cassandra, Hbase, MongoDb, Redis…)
  • Windows and Linux Reuse code between engines and servicesIncreased flexibility (l
  • No vendor lock-inE.g. Hadoop ClouderaIBMMaprEMCNetappMellanoxHortonworksEven Microsoft is working on one
  • Even Azure supports Javahttp://www.microsoft.com/windowsazure/interop/
  • Microsoft itself never fully adopted .NETOffice, Windows, SQL all have .NET interoperability written in C++Windows 8 has WinDiv winning over DevDivWinRT (COM is back) C++11 (C++0x ) has a lot of power (lamdas, closures, type infernece etc.DevDiv “lost” a lot of leaders to other groups e.g. Scott GuthrieAzure is taking a lot of resources
  • Why the JVM?

    1. 1. Why Java?Why Java? – Arnon Rotem-Gal-Oz
    2. 2. The JVM offers enormous ecosystem of products, libraries and toolsKalense Kid http://www.flickr.com/photos/sharman/4935276033/sizes/z/in/photostream/
    3. 3. http://www.flickr.com/photos/mchristianphotos/5493040642/sizes/z/in/phThe JVM makes it possible to opt for Buy vs. Build
    4. 4. The JVM is truly cross platform
    5. 5. Open platform
    6. 6. More cloud ready than .NET
    7. 7. .NET’s positionwithin Microsoft is weakening

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