markdown简单语法
primary title
# primary title
The secondary title
## The secondary title
font
bold
**bold**
italic
*italic*
both
***both***
strikethrough
~~strikethrough~~
quote
quote
> quote
image

hyperlink
[google](www.google.com)
serial
1.+whitespace
'-' +whitespace
table
use | to split attribute
warn: no null string between every tow lines
code
public class Main{
public static void main(String[] args) {
System.out.println("Hello world");
}
}
``` java public class Main{ public static void main(String[] args) { System.out.println("Hello world"); } }