LOL
Ty tak i ne otvetil na moj vopros. U menja sozdaetsja vpechatlenie, chto tut kazhdyj svoju malinu hvalit. Radi ob'ektivnosti eksternye istochniki:
http://www.cs.colostate.edu/~cs154/PerfComp/

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Conclusion
Java has many advantages, but it also has a large disadvantage. Java performs many times slower than C++, especially when it comes to I/O operations. Although this performance difference cannot be ignored, it may not be overly important. Modern day computers are very fast and the speed difference may often translate to waiting for 8 milliseconds for Java as opposed to 1 millisecond for C++. Java may be much slower, but, from the users perspective, there is relatively little difference. The advantages to Java outweigh its disadvantages in most cases. The ease of development, reusability and portability make Java well worth the time to learn.

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http://www.perryland.com/Java2.shtml
http://mywebpages.comcast.net/ylding/c/java.html
Eta tebe ponravitsja, ty ee navernoe s monitorom proglotish'. ))
http://www.shadowlink.net/~raycox/Java.html

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Conclusion
Although the Java hype machine has certainly overshadowed the Java language, on close inspection Java is compelling. Java is the logical next step in the evolution of C++. By taking a purely object-oriented approach, Java is able to discard the baggage that has weakened and weighed C++ down. Its implementation of hard-won industry lessons and the inclusion of other proven language technologies combine to produce a language that is safer and more powerful. Will Java change the world, as Sun insists? Only time will tell. One thing is certain, however, Java has commandingly driven a stake in the ground that future programming languages will have to reach in order to be taken seriously.

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http://www.public.iastate.edu/~ant1/Argumentppt.ppt

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Java prosche, nadezhnee i portabel'nee, potomu chto ona ne celaja. No v obschem ot C++ bol'she pol'zy.

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Kak vidish' tut ne tol'ko hvala Dzhavy, hotja ona etogo i zasluzhivaet, no - povtorjaju - menja interesuet ob'jektivnost'.