Previous And Next Index Using Java ListIterator

Chapter: Collections Last Updated: 12-05-2016 20:39:29 UTC

Program:

            /* ............... START ............... */
                
import java.util.ListIterator;
import java.util.ArrayList;

public class JavaListIteratorPreviousNext {

	public static void main(String[] args) {

		ArrayList aList = new ArrayList();

		aList.add("1");
		aList.add("2");
		aList.add("3");
		aList.add("4");
		aList.add("5");

		// Get an object of ListIterator using listIterator() method
		ListIterator listIterator = aList.listIterator();

		System.out.println("Previous Index is : " + listIterator.previousIndex());
		System.out.println("Next Index is : " + listIterator.nextIndex());

		listIterator.next();

		System.out.println("After increasing current position by one element : ");
		System.out.println("Previous Index is : " + listIterator.previousIndex());
		System.out.println("Next Index is : " + listIterator.nextIndex());

	}
}
                /* ............... END ............... */
        

Output

Previous Index is : -1
Next Index is : 0
After increasing current position by one element : 
Previous Index is : 0
Next Index is : 1

Tags

Collection, Previous And Next Index Using Java ListIterator, Java

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