/*

* @由于个人水平有限, 难免有些错误, 还请指点:

* @Author: cpu_code

* @Date: 2020-09-16 21:02:07

* @LastEditTime: 2020-09-16 21:06:59

* @FilePath: \java\aggregation\aggregation7.java

* @Gitee: [https://gitee.com/cpu_code](https://gitee.com/cpu_code)

* @Github: [https://github.com/CPU-Code](https://github.com/CPU-Code)

* @CSDN: [https://blog.csdn.net/qq_44226094](https://blog.csdn.net/qq_44226094)

* @Gitbook: [https://923992029.gitbook.io/cpucode/](https://923992029.gitbook.io/cpucode/)

*/

package aggregation;

import java.util.LinkedList;

public class aggregation7 {

public static void main(String[] args) {

LinkedList<String> link = new LinkedList<String>();

//添加元素

link.addFirst("cpucode");

link.addFirst("cpu");

link.addFirst("hello");

System.out.println(link);

// 获取元素

System.out.println("getFirst :" + link.getFirst());

System.out.println("getFirst :" + link.getFirst());

// 删除元素

System.out.println("removeFirst : " + link.removeFirst());

System.out.println("removeLast : " + link.removeLast());

while (!link.isEmpty()){

//判断集合是否为空

//弹出集合中的栈顶元素

System.out.println("pop : " + link.pop());

}

System.out.println(link);

}

}

/*

[hello, cpu, cpucode]

getFirst :hello

getFirst :hello

removeFirst : hello

removeLast : cpucode

pop : cpu

[]

*/