[Java] 容器-04 List 方法

package com.bjsxt.chap7;

import java.util.*;

public class TestList {
    public static void main(String[] args) {
        List l1 = new LinkedList();
        for (int i = 0; i <= 5; i++) {
            l1.add("a" + i);
        }
        System.out.println(l1);
        l1.add(3, "a100");
        System.out.println(l1);
        l1.set(6,  "a200");
        System.out.println(l1);
        System.out.print((String)l1.get(2) + " ");
        System.out.println(l1.indexOf("a3"));
        l1.remove(1);
        System.out.println(l1);
        System.out.println("--------------------------");
        List L1 = new LinkedList();
        List L2 = new LinkedList();
        for (int i = 0; i <= 9; i++) {
            L1.add("a" + i);
        }
        System.out.println(L1);
        Collections.shuffle(L1); // 随机
        System.out.println(L1);
        Collections.reverse(L1); // 逆序
        System.out.println(L1);
        Collections.sort(L1);  // 排序
        System.out.println(L1);
        System.out.println(Collections.binarySearch(L1, "a5"));
    }
}

posted @ 2013-12-03 12:15  小尼人00  阅读(127)  评论(0编辑  收藏  举报