Get Previous and next index using Java ListIterator : ArrayList « Collections Data Structure « Java






  1. Java
  2. Collections Data Structure
  3. ArrayList

Get Previous and next index using Java ListIterator

     

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("5");

    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());
  }
}








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