Java类集.链表类LinkedList

public static void main(String[] args) {
		LinkedList<String> linkedList = new LinkedList<String>();
		linkedList.add("1");
		linkedList.add("2341");
		linkedList.add("以为");
		
		System.out.println(linkedList);
		
		linkedList.addFirst("first");//添加到第一个元素
		linkedList.addLast("last");//添加到最后一个元素
		System.out.println(linkedList);
		
		String element = linkedList.element();//找到表头
		System.out.println(linkedList);
		
		linkedList.peek();//找到表头(不删除)
		System.out.println(linkedList);
		
		linkedList.poll();//找到表头(删除)
		System.out.println(linkedList);
	}