What is the use of indexof method in java
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