Java – String indexOf(String str) Method
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Description
This method returns the index within this string of the first occurrence of the specified substring. If it does not occur as a substring, -1 is returned.
Syntax
Here is the syntax of this method −
int indexOf(String str)
Parameters
Here is the detail of parameters −
str − a string.
Return Value
- See the description.
Example
Live Demoimport java.io.*; public class Test { public static void main(String args[]) { String Str = new String("Welcome to Tutorialspoint.com"); String SubStr1 = new String("Tutorials"); System.out.println("Found Index :" + Str.indexOf( SubStr1 )); } }
This will produce the following result −
Output
Found Index :11
java_strings.htm
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