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Iterator Java Reset

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In this section of tutorial we will learn how to reset the ArrayList contents.We will create an example to display the contents of the ArrayList after resetting it.
  • iterator interface doesn't have any reset method.
  • In the listIterator the previous method can be used to rsest the list.

Example of Java Reset Iterator

import java.util.ArrayList;
import java.util.Iterator;
import java.util.ListIterator;

public class reset {

	public static void main(String[] args) {
		char alphabet = 'a';
		ArrayList list = new ArrayList();
		while (alphabet != 'z') {
			list.add(alphabet++);
		}
		ListIterator it = list.listIterator();
		while (it.hasNext()) {
			System.out.print(it.next() + " ");
		}
		System.out.println();
		while (it.hasNext()) {
			System.out.print("* " + it.next() + " ");// it doesnot work
		}
		while (it.hasPrevious()) {
			it.previous();
		}
		while (it.hasNext()) {
			System.out.print("." + it.next() + " ");// it works
		}
	}
}

Output

a b c d e f g h i j k l m n o p q r s t u v w x y .a .b .c .d .e .f .g .h .i .j .k .l .m .n .o .p .q .r .s .t .u .v .w .x .y

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Posted on: November 4, 2009 If you enjoyed this post then why not add us on Google+? Add us to your Circles

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