Escape characters in Java

Escape character	How Unicode is represented	function explanation
\b	\u0008	Backspace
\ n	\u000a	Line break
\ r	\u000d	Carriage return (can be wrapped)
\ t	\u0009	Space character
\"	\u0022	Double quotes
\‘	\u0027	Single quotation marks
\\	\u005c	Reverse Slash

Line breaks have different forms under different systems:
Text file line break under \n:mac OS
Text file line break under \r:unix
Text file line break under \r\n:windows

Divide by Type:

1. Eight binary escape sequence: \ + 1 to 3 bit 5 digits; Range ' \000 ' ~ ' \377 '
: null character
2.Unicode Escape Character: \u + four hexadecimal digits; 0~65535
\u0000: null character
3. Special characters: 3
\ ": Double quotation marks
\ ': Single quote
\ \: Backslash
4. Control characters: 5
\ ' Single quote character
\ \ backslash Character
\ r Enter
\ nthe line break
\f Paper Change page
\ t transverse jump lattice
\b Backspace