列表，LinkedList和ListIterators。

/* 来自 时代Java公众号 - nowjava.com*/

import java.util.LinkedList;

import java.util.List;

import java.util.ListIterator;


public class Main {

  public static void main(String[] args) {

    // add colors elements to list1

    String[] colors = { "black", "yellow", "green", "blue", "violet", "silver" };

    List<String> list1 = new LinkedList<>();


    for (String color : colors)

      list1.add(color);


    // add colors2 elements to list2

    String[] colors2 = { "gold", "white", "brown", "blue", "gray", "silver" };

    List<String> list2 = new LinkedList<>();
/*来自 N o w  J a v a  . c o m*/

    for (String color : colors2)

      list2.add(color);


    list1.addAll(list2); // concatenate lists

    list2 = null; // release resources

    printList(list1); // print list1 elements


    convertToUppercaseStrings(list1); // convert to uppercase string

    printList(list1); // print list1 elements


    System.out.printf("%nDeleting elements 4 to 6...");

    removeItems(list1, 4, 7); // remove items 4-6 from list

    printList(list1); // print list1 elements

  }


  // output List contents

  private static void printList(List<String> list) {

    System.out.printf("%nlist:%n");


    for (String color : list)

      System.out.printf("%s ", color);


    System.out.println();

  }


  // locate String objects and convert to uppercase

  private static void convertToUppercaseStrings(List<String> list) {

    ListIterator<String> iterator = list.listIterator();


    while (iterator.hasNext()) {

      String color = iterator.next();