LinkdeList（链式集合）

package com.sxt;

import java.util.LinkedList;

/**
* 链式集合
* @author Administrator
*
*/
public class LinkdeListDemo {
public static void main(String[] args) {
LinkedList sd = new LinkedList();
sd.addFirst(“李三”);
sd.addFirst(“赵四”);
sd.addFirst(“王五”);
sd.offerLast(“慕容狗蛋”);
System.out.println(sd);
//循环遍历
/*while (!sd.isEmpty()) {
System.out.println(sd.removeLast());
}*/
for (int i = 0; i < sd.size(); i++) {
System.out.println(sd.get(i));
}
for (String s : sd) {
System.out.println(s);
}
}
}