Java.lang Package Classes

Java - String lastIndexOf() Method



The Java string lastIndexOf() method is used to find out the index number for last occurrence of specified substring in the given string.

Syntax

public int lastIndexOf(String str)

Parameters

str specify the substring to search for.

Return Value

Returns the index number for last occurrence of specified string. Returns -1 if there is no such occurrence.

Exception

NA.

Example:

In the example below, lastIndexOf() method is used to find out the index number for last occurrence of specified substring in the given string.

import java.lang.*;

public class MyClass {
  public static void main(String[] args) {
    String MyString = "Java is a programming language. Learning Java is fun.";
    
    //index number of last occurrence 
    //of "is" in the given string
    System.out.println(MyString.lastIndexOf("is"));  
  }
}

The output of the above code will be:

46

❮ Java.lang - String