Using syntactic methods rather than libraries can give you better code in the long run since the compiler and jvm , working together , can perform optimizations that would be difficult or impossible with a library approach 這是因?yàn)榫幾g器和java虛擬器( jvm )能一同優(yōu)化程序代碼,而這些優(yōu)化對(duì)于類庫(kù)中的代碼是很難或無(wú)法實(shí)現(xiàn)的。