HasNextEx02.java

package com.study.iterator;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

public class HasNextEx02 {

  public static void main(String[] args) {
    Collection<String> c = new ArrayList<String>();

    for (int i = 0; i < 10; ++i) {
      String s = String.format("%02d ", i);
      c.add(s);
    }

    for (String s : c)
      System.out.print(s);

    System.out.println();

    Iterator<String> iterator = c.iterator();
    while (iterator.hasNext()) {
      String s = iterator.next();
      System.out.print(s);
    }
  }

}