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ΪʲôForEACh

˵ݿʮˣܿһ㻹һ㣬10ѭͲòˡphpƼforeach ѭʱ,forҪcount($arr)鳤,Ҫ$i,ÿѭҪж$i

foreachjava5֮һڱ顢Ϸ棬foreachΪԱṩ˼ķ㡣 foreachfor򻯰汾foreach䲢ȫȡfor䣬Ȼκεforeach䶼ԸдΪfor汾 foreach...

(1)forʹ±꣨ƫλ. (2)foreachӦʹѭӵĻ (3)ЧʸߵArrayList. ʹ±Чʱܸ.foreachڲѭֱӷװ±,ԼʵֵforforeachֱӣЧԸЩ𲻻̫,Ȼһ...

ѭDZ̵Ļ䣬C#гCԵѭ⣬ṩforeachʵѭôҪ˵ľǣѭоʹforeachʵ֡ Ϊõ˵ΪʲôҪᳫʹforeachֲͬʽдѭ䡣 int...

items="${hotelList}"

Console.WriteLine(a[i]);ijConsole.WriteLine(i);ͶˣforeachʱiԪز

ʵ൱ʣΪʲôifж١Ϊʲô=Ըֵ Щc/javaԵ﷨㻹ҪΪʲô

1,ȷȽServletˣ 2ȷcid Ϊ 3ȷѯʱTomcatûбreturn nullӴ ûд

oreach Ϊ󼯺еÿԪظһǶ顣foreach ѭʼԻȡϢӦڸļԱԤ֪ĸá

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