String lastIndexOf(int ch, int fromIndex)

Description

This method 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.

Syntax

Here is the syntax of this method −

public int lastIndexOf(int ch, int fromIndex)

Parameters

Here is the detail of parameters −

• ch − a character.
• fromIndex − the index to start the search from.

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 Tutorialspoint.com");
      System.out.print("Found Last Index :" );
      System.out.println(Str.lastIndexOf( 'o', 5 ));
   }
}

This will produce the following result −

Output

Found Last Index :4

String indexOf(String str, int fromIndex)

Description

This method returns the index within this string of the first occurrence of the specified substring, starting at the specified index. If it does not occur, -1 is returned.

Syntax

Here is the syntax of this method −

int indexOf(String str, int fromIndex)

Parameters

Here is the detail of parameters −

• fromIndex − the index to start the search from.
• str − a string.

Return Value

• See the description.

Example

import 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.print("Found Index :" );
      System.out.println( Str.indexOf( SubStr1, 15 ));
   }
}

This will produce the following result −

Output

Found Index :-1