of it's an interface from compiled code to low level hardware so if it supports...
the program runtime performance will be low
multi-threading not happens in java mainly it's simulate
In Java codes
memory management is related to system
it's automated
a good thing because it's simply for programming but in cpp it's not automatic so writer should manage memory himself
For this there is two point:
One: programmer is professional
Two: programmer is not professional
If first be happened it's known
He/She will manage memory allocation much better than automated jvm
But if two happens yes you are right
maybe jvm have better performance
Another thing it's an example of us :
Which one work will faster?
Go to an office and entrust your work to the third-party staff untill he do?
Or do the work yourself directly?
The answer is related to yourself whether you can do that work yourself faster than or not :)
You should work on your english mate I have a hard time understanding
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