This method has following variants:
- int lastIndexOf(int ch): Returns the index within this string of the last occurrence of the specified character or -1 if the character does not occur.
- public int lastIndexOf(int ch, int fromIndex): Returns the index of the last occurrence of the character in the character sequence represented by this object that is less than or equal to fromIndex, or -1 if the character does not occur before that point.
- public int lastIndexOf(String str): If the string argument occurs one or more times as a substring within this object, then it returns the index of the first character of the last such substring is returned. If it does not occur as a substring, -1 is returned.
- public int lastIndexOf(String str, int fromIndex): Returns the index within this string of the last occurrence of the specified substring, searching backward starting at the specified index.
Syntax:
Here is the syntax of this method:
int lastIndexOf(int ch) or public int lastIndexOf(int ch, int fromIndex) or public int lastIndexOf(String str) or public int lastIndexOf(String str, int fromIndex)
Parameters:
Here is the detail of parameters:
- ch — a character.
- fromIndex — the index to start the search from.
- str — A string.
Return Value:
This method returns the index.
Example:
import java.io.*; public class Test { public static void main(String args[]) { String Str = new String("Welcome to dineshonjava.com"); String SubStr1 = new String("Dinesh Tutorials" ); String SubStr2 = new String("Good Tutorials" ); System.out.print("Found Last Index :" ); System.out.println(Str.lastIndexOf( 'o' )); System.out.print("Found Last Index :" ); System.out.println(Str.lastIndexOf( 'o', 5 )); System.out.print("Found Last Index :" ); System.out.println( Str.lastIndexOf( SubStr1 )); System.out.print("Found Last Index :" ); System.out.println( Str.lastIndexOf( SubStr1, 15 )); System.out.print("Found Last Index :" ); System.out.println(Str.lastIndexOf( SubStr2 )); } }
This produces following result:
Found Last Index :25
Found Last Index :4
Found Last Index :-1
Found Last Index :-1
Found Last Index :-1