This method has following different variants:
Syntax:
Here is the syntax of this method:
public int indexOf(int ch ) or public int indexOf(int ch, int fromIndex) or int indexOf(String str) or int indexOf(String str, int fromIndex)
Parameters:
Here is the detail of parameters:
Return Value:
See the description.
Example:
import java.io.*; public class Test { public static void main(String args[]) { String Str = new String("Welcome to www.dineshonjava.com"); String SubStr1 = new String("Tutorials"); String SubStr2 = new String("Sutorials"); System.out.print("Found Index :" ); System.out.println(Str.indexOf( 'o' )); System.out.print("Found Index :" ); System.out.println(Str.indexOf( 'o', 5 )); System.out.print("Found Index :" ); System.out.println( Str.indexOf( SubStr1 )); System.out.print("Found Index :" ); System.out.println( Str.indexOf( SubStr1, 15 )); System.out.print("Found Index :" ); System.out.println(Str.indexOf( SubStr2 )); } }
This produces following result:
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