Shulou(Shulou.com)06/03 Report--

This article mainly introduces the recommended use of For-Each instead of For loop traversal elements of the reason analysis, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian with you to understand.

First, the shortcomings of for cycle

In the past, when traversing elements, we usually used the following form:

Public class Main {public static void main (String [] args) {/ / 1, array element int [] num = new int [] {1 int 2, 3, 4, 5}; / / ergodic for of the array

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