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Easy Learn Java: Programming Articles, Examples and Tips - Page 12


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Question: Please clarify my confusion about Java versions. I hear ''Java 2'' but

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Question: Please clarify my confusion about Java versions. I hear "Java 2" but JDK is 1.2
Now we are going to use JDK 1.3 on the job and I said that this is "Java 3" and probably soon when JDK 1.4 will be released we will use "Java 4".
My chief said me that I am wrong and he never heard about Java 4.
He insists on it, but cannot explain why.
Maybe because he is chief? Please explain...

Answer: He is right and not because of the fact that he is chief Smile
Although exist one old set of rules that we used on Russian
military service:

1. Chief is right!
2. If chief is not right please see the rule number 1.

I think we have to wait a few years more until Java 3 comes to us.
It is SUN's numbering policy. All JDKs that have numbers 1.2, 1.3, 1.4 are Java 2 JDKs, SDK now...
Difficult to understand but easy to remember...
--
Alex
******************************************************************
Our older tips: March 22, 2001 - Oktober 21, 2002 read here.
All published and not published on site tips you can find here


925 bytes more | 92 comments | Printer Friendly Page  Send to a Friend | Score: 4.33
Posted by jalex on Saturday, January 25, 2003 (00:00:00) (3859 reads)

Question: I have read that Java Advanced Imaging API uses native code...

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Question: I have read that Java Advanced Imaging API uses native code...
Does it mean that this part of Java is not 100% pure Java?
Answer: The Java Advanced Imaging API may be run without any native code, i.e., without the code which provides native acceleration. When run in this manner, the Java Advanced Imaging API uses only Java code.

Native code is supplied for performance purposes only. A C library is supplied for SPARC, Linux and Intel x86 platforms which accelerates most of the operators. In addition there is a lower level SPARC library (VIS) and a MMX library allowing additional hardware acceleration for many operators. If Java Advanced Imaging code does not find these libraries, pure Java code is used.
However, the Java Advanced Imaging API has not yet been certified as meeting the requirements of the "100% Pure Java" Program per se.

534 bytes more | 27 comments | Printer Friendly Page  Send to a Friend | Score: 0
Posted by jalex on Friday, January 24, 2003 (00:00:00) (3905 reads)

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