Java ArrayList indexof() Method
This section demonstrates how to use the indexOf() method in Java Program.
This section demonstrates how to use the indexOf() method in Java Program.
- It returns the index of the given element present in the ArrayList
- If there is more than one occurrence of the element then returns the last occurrence.
- If no element is present then returns the -1.
Example of Java Arraylist indexof() Function
import java.util.*;
public class List1 {
public static void main(String[] args) {
String ar[]={"india","pakistan","United Kingdom","Japan"};
List list=new ArrayList();
list.add(ar[0]);
list.add(ar[1]);
list.add(ar[2]);
list.add(ar[3]);
System.out.println(list.indexOf("Japan"));
System.out.println(list.indexOf(ar[2]));
}
}
Output
3
2
