Get Previous and next index using ListIterator in Java
Description
The following code shows how to get Previous and next index using ListIterator.
Example
//from w ww. j a v a 2 s . c o m
import java.util.ArrayList;
import java.util.ListIterator;
public class Main {
public static void main(String[] args) {
ArrayList<String> aList = new ArrayList<String>();
aList.add("1");
aList.add("2");
aList.add("3");
aList.add("4");
aList.add("java2s.com");
ListIterator<String> listIterator = aList.listIterator();
System.out.println("Previous: " + listIterator.previousIndex());
System.out.println("Next: " + listIterator.nextIndex());
// advance current position by one using next method
listIterator.next();
System.out.println("Previous: " + listIterator.previousIndex());
System.out.println("Next: " + listIterator.nextIndex());
}
}
The code above generates the following result.