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My Java Tips

  1. Performance issues related to trigonometric functions , floating point arithmetic and

    by , 11-19-2011 at 06:19 PM (My Java Tips)
    I have briefly listed the performance issues related to trigonometric functions, floating point arithmetic functions and Java Native Interface. I hope these will be helpful.



    Trigonometric functions

    In Java, results got from trigonometric functions and calculations may not be as accurate as that of results got from trigonometric functions and calculations of C language. This is because because Java has strict specifications for the results of mathematical operations.This ...
  2. Incorporating native code (C/C++)

    by , 11-12-2011 at 05:42 PM (My Java Tips)
    JNI (Java Native Interface) is a powerful feature that provides the developers to call legacy code written in C/C++ and Java. In the post, I will briefly introduce how JNI helps us in doing so.


    First step is to create a Java class that declares native method. Native methodís signature contains keyword native and it indicates that this method is implemented in another language. Native method declaration is terminated with a semicolon. Also note that native method does not contain implementation. ...
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    Java SE