Ascii-Code
In Java können Zeichen (druckbare und nicht druckbare) aus dem Ascii-Code (American Standard Code for Information Interchange) als 7-stellige Kombination aus Nullen und Einsen dargestellt werden. Insgesamt sind so 128 Zeichen definiert. Häufig werden in Java auch Zeichen nach dem Dezimalsystem eingegeben (siehe Spalte Dec).
Dec | Hex | Char | Name | Dec | Hex | Char | Dec | Hex | Char | Dec | Hex | Char | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 00 | NUL | Null | 32 | 20 | space | 64 | 40 | @ | 96 | 60 | ` | ||||
1 | 01 | SOH | Start Of Heading | 33 | 21 | ! | 65 | 41 | A | 97 | 61 | a | ||||
2 | 02 | STX | Start Of Text | 34 | 22 | " | 66 | 42 | B | 98 | 62 | b | ||||
3 | 03 | ETX | End Of Text | 35 | 23 | # | 67 | 43 | C | 99 | 63 | c | ||||
4 | 04 | EOT | End Of Transmit | 36 | 24 | $ | 68 | 44 | D | 100 | 64 | d | ||||
5 | 05 | ENQ | Enquiry | 37 | 25 | % | 69 | 45 | E | 101 | 65 | e | ||||
6 | 06 | ACK | Acknowledge | 38 | 26 | & | 70 | 46 | F | 102 | 66 | f | ||||
7 | 07 | BEL | Bell | 39 | 27 | ' | 71 | 47 | G | 103 | 67 | g | ||||
8 | 08 | BS | Backspace | 40 | 28 | ( | 72 | 48 | H | 104 | 68 | h | ||||
9 | 09 | HT | Horizontal Tab | 41 | 29 | ) | 73 | 49 | I | 105 | 69 | i | ||||
10 | 0A | LF | Line Feed | 42 | 2A | * | 74 | 4A | J | 106 | 6A | j | ||||
11 | 0B | VT | Vertical Tab | 43 | 2B | + | 75 | 4B | K | 107 | 6B | k | ||||
12 | 0C | FF | Form Feed | 44 | 2C | , | 76 | 4C | L | 108 | 6C | l | ||||
13 | 0D | CR | Carriage Return | 45 | 2D | - | 77 | 4D | M | 109 | 6D | m | ||||
14 | 0E | SO | Shift Out | 46 | 2E | . | 78 | 4E | N | 110 | 6E | n | ||||
15 | 0F | SI | Shift In | 47 | 2F | / | 79 | 4F | O | 111 | 6F | o | ||||
16 | 10 | DLE | Data Line Escape | 48 | 30 | 0 | 80 | 50 | P | 112 | 70 | p | ||||
17 | 11 | DC1 | Device Control 1 | 49 | 31 | 1 | 81 | 51 | Q | 113 | 71 | q | ||||
18 | 12 | DC2 | Device Control 2 | 50 | 32 | 2 | 82 | 52 | R | 114 | 72 | r | ||||
19 | 13 | DC3 | Device Control 3 | 51 | 33 | 3 | 83 | 53 | S | 115 | 73 | s | ||||
20 | 14 | DC4 | Device Control 4 | 52 | 34 | 4 | 84 | 54 | T | 116 | 74 | t | ||||
21 | 15 | NAK | Non Acknowledge | 53 | 35 | 5 | 85 | 55 | U | 117 | 75 | u | ||||
22 | 16 | SYN | Synchronous Idle | 54 | 36 | 6 | 86 | 56 | V | 118 | 76 | v | ||||
23 | 17 | ETB | End Transmit Block | 55 | 37 | 7 | 87 | 57 | W | 119 | 77 | w | ||||
24 | 18 | CAN | Cancel | 56 | 38 | 8 | 88 | 58 | X | 120 | 78 | x | ||||
25 | 19 | EM | End Of Medium | 57 | 39 | 9 | 89 | 59 | Y | 121 | 79 | y | ||||
26 | 1A | SUB | Substitute | 58 | 3A | : | 90 | 5A | Z | 122 | 7A | z | ||||
27 | 1B | ESC | Escape | 59 | 3B | ; | 91 | 5B | [ | 123 | 7B | { | ||||
28 | 1C | FS | File Separator | 60 | 3C | < | 92 | 5C | \ | 124 | 7C | |||||
29 | 1D | GS | Group Separator | 61 | 3D | = | 93 | 5D | ] | 125 | 7D | } | ||||
30 | 1E | RS | Record Separator | 62 | 3E | > | 94 | 5E | ^ | 126 | 7E | ~ | ||||
31 | 1F | US | Unit Separator | 63 | 3F | ? | 95 | 5F | _ | 127 | 7F | delete |