Java Collection Tutorial - Java ArrayList.lastIndexOf(Object o)

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Syntax

ArrayList.lastIndexOf(Object o) has the following syntax.

public int lastIndexOf(Object o)

Example

In the following code shows how to use ArrayList.lastIndexOf(Object o) method.

/* ww  w.  ja  va  2  s  . co m*/


import java.util.ArrayList;

public class Main {
   public static void main(String[] args) {
      
    ArrayList<String>  arrlist = new ArrayList<String> (5);

    arrlist.add("G");
    arrlist.add("E");
    arrlist.add("F");
    arrlist.add("M");
    arrlist.add("E");
  arrlist.add("from java2s.com");
  
    System.out.println("Size of list: " + arrlist.size());

    System.out.println(arrlist);

    // Retrieving the index of last occurrence of element "E"
    int retval=arrlist.lastIndexOf("E");
    System.out.println("The last occurrence of E is at index " + retval);
    
  }
}

The code above generates the following result.

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