求注释,主要是最后一句好不太明白,是指向node这个结构体变量的意思吗,这么一指有什么用,我的教材
这应该是数据结构中链表的一个节点,该结构体包括两个元素,第一个是节点的值,第二个是指向下一个节点的指针
struct anode
{
int name;//当前节点值
struct anode *next;//指向下一个节点的指针
};
typedef struct anode node;//给这个节点取一个别名,方便使用
typedef node *link;//同上 等价于直接将struct anode 改个名字叫*link;
jdk如何安装
1、首先要到官网下载JDK,选择“downloads”下载
2、接着选择“Java”
3、“Java (JDK) for Developers”
4、然后点击“jdk download”-有不同系统选择下载,根据自己使用电脑选择.
5、下载的时候别忘了点击“Accept License Agreement”如下图所示
6、下载好后,就可以进行安装啦,双击安装文件,安装界面如下,点击“下一步”
7、这一步,要记住安装的路径,后面会用到,如果不想安装在C盘,自己选择安装路径,我是选择安装在D盘,选择好路径点击“下一步”进行安装
8、如下图提示,说明JDK已安装好
what do you think of the novel coronavirus 的英语作文
Nowdays, the new coronavirus is spreading heavily across China.It has made thousands of Chinese be in hospital.The spreading of the virus has influenced our lives and studying badly and deeply.For example,we can neither go to school nor play outside freely.Even though the government has taken actions to control the disease ,each of us are still feared\worried.When we think about it carefully,we can find out that lots of people don’t dear the environment.They freely kill and eat the wild animals that have virus in their bodies.So the harmful virus is spread to humans in this way. It’s not only unfair for the wild animals but also does harm to human beings.Just for this reason,we should act quickly to prevent others from killing wild animals to protect the environment,our home.
-变量