Shulou(Shulou.com)06/01 Report--

This article will explain in detail what the indexof method in java is used for. Xiaobian thinks it is quite practical, so share it with you as a reference. I hope you can gain something after reading this article.

indexof methods:

Note: The indexOf method returns an integer value indicating the start of the substring within the String object. Returns-1 if no substring is found.

public class IndexOf{ public static void main(String[] args){ String s="Li Hong #Wang Hai #Lin Qiao #Lu Xun #Tang Mei"; String q="#"; //string to be found String err="*"; //non-existent string int i=0; for(int j=0;j

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