malaikuangren

摘要： The JavafinalkeywordThe Javafinalkeyword is very loosely used to indicate that something "cannot change". Specifically— and perhaps confusingly from a language design point of view— it has a number of uses:it is used to indicate that aclass cannot be extended;it is used to indicate that am 阅读全文

摘要： In myprevious post. I have been talking about the .Net JIT re-order instructions feature. Actually . In java world .Thejavaccompiler has performs next to no optimisations.The JIT native compiler could re-order instructions where there is a memory ordering problem. However, the CPU also can re-order 阅读全文