ASCII-American Standard Code for Information Interchange, ASCII
is a character encoding standard for electronic communication.
ASCII codes represent text in computers,
telecommunications equipment, and other devices.
Including descriptions of the first 32 characters. ASCII was originally designed for use with teletypes, and so the descriptions are somewhat obscure and their use is frequently not as intended.
An encoding standard limited to 128 characters, focused on the needs of certain European languages, creating 1960s.
Unicode:
A universal encoding standard for characters encompassing many languages.
1991:
Unicode has Over 7000 characters.
Today:
Over 137000 characters.
Java actually uses Unicode, which includes ASCII and other characters from languages around the world.
ASCII Table
Decimal Value | Character |
0 | NUL (Null) |
1 | SOH (Start of Heading) |
2 | STX (Start of Text) |
3 | ETX (End of Text) |
4 | EOT (End of Transmission) |
5 | ENQ (Enquiry) |
6 | ACK (Acknowledge) |
7 | BEL (Bell) |
8 | BS (Backspace) |
9 | TAB (Horizontal Tab) |
10 | LF (NL Line Feed, New Line) |
11 | VT (Vertical Tab) |
12 | FF (NP Form Feed, New Page) |
13 | CR (Carriage Return) |
14 | SO (Shift Out) |
15 | SI (Shift In) |
16 | DLE (Data Link Escape) |
17 | DC1 (Device Control 1) |
18 | DC2 (Device Control 2) |
19 | DC3 (Device Control 3) |
20 | DC4 (Device Control 4) |
21 | NAK (Negative Acknowledge) |
22 | SYN (Synchronous Idle) |
23 | ETB (End of Trans. Block) |
24 | CAN (Cancel) |
25 | EM (End of Medium) |
26 | SUB (Substitute) |
27 | ESC (Escape) |
28 | FS (File Separator) |
29 | GS (Group Separator) |
30 | RS (Record Separator) |
31 | US (Unit Separator) |
32 | SPACE |
33 | ! |
34 | “ |
35 | # |
36 | $ |
37 | % |
38 | & |
39 | ‘ |
40 | ( |
41 | ) |
42 | * |
43 | + |
44 | , |
45 | – |
46 | . |
47 | / |
48 | 0 |
49 | 1 |
50 | 2 |
51 | 3 |
52 | 4 |
53 | 5 |
54 | 6 |
55 | 7 |
56 | 8 |
57 | 9 |
58 | : |
59 | ; |
60 | < |
61 | = |
62 | > |
63 | ? |
64 | @ |
65 | A |
66 | B |
67 | C |
68 | D |
69 | E |
70 | F |
71 | G |
72 | H |
73 | I |
74 | J |
75 | K |
76 | L |
77 | M |
78 | N |
79 | O |
80 | P |
81 | Q |
82 | R |
83 | S |
84 | T |
85 | U |
86 | V |
87 | W |
88 | X |
89 | Y |
90 | Z |
91 | [ |
92 | \ |
93 | ] |
94 | ^ |
95 | _ |
96 | ` |
97 | a |
98 | b |
99 | c |
100 | d |
101 | e |
102 | f |
103 | g |
104 | h |
105 | i |
106 | j |
107 | k |
108 | l |
109 | m |
110 | n |
111 | o |
112 | p |
113 | q |
114 | r |
115 | s |
116 | t |
117 | u |
118 | v |
119 | w |
120 | x |
121 | y |
122 | z |
123 | { |
124 | | |
125 | } |
126 | ~ |
127 | DEL |