Character string (computer science) | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-06-07

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/String_(computer_science)


00:01:10 1 Formal theory
00:02:03 1.1 Concatenation and substrings
00:02:56 1.2 Prefixes and suffixes
00:03:33 1.3 Rotations
00:03:57 1.4 Reversal
00:04:07 1.5 Lexicographical ordering
00:04:39 1.6 String operations
00:04:49 1.7 Topology
00:05:12 2 String datatypes
00:06:29 2.1 String length
00:06:42 2.2 Character encoding
00:06:52 2.3 Implementations
00:07:18 2.4 Representations
00:07:36 2.4.1 Null-terminated
00:07:45 2.4.2 Byte- and bit-terminated
00:07:58 2.4.3 Length-prefixed
00:08:08 2.4.4 Strings as records
00:08:20 2.4.5 Other representations
00:08:35 2.5 Security concerns
00:09:03 3 Literal strings
00:09:39 4 Non-text strings
00:09:58 5 String processing algorithms
00:11:06 6 Character string-oriented languages and utilities
00:11:47 7 Character string functions
00:13:00 8 String buffers
00:15:41 8.1 In Java
00:16:52 8.1.1 Theory
00:18:34 8.1.2 Implications
00:19:59 8.2 In .NET
00:21:14 8.3 In other languages
00:22:59 8.4 String instructions
00:23:32 9 See also
00:25:13 10 References
00:26:24 Literal strings
00:27:42 Non-text strings
00:29:01 String processing algorithms
00:29:58 Character string-oriented languages and utilities
00:31:32 Character string functions
00:32:20 String buffers
00:32:42 In Java
00:32:50 Theory
00:34:31 Implications
00:36:11 In .NET
00:36:26 In other languages
00:36:58 String instructions
00:37:21 See also



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SUMMARY
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In computer programming, a string is traditionally a sequence of characters, either as a literal constant or as some kind of variable. The latter may allow its elements to be mutated and the length changed, or it may be fixed (after creation). A string is generally considered as a data type and is often implemented as an array data structure of bytes (or words) that stores a sequence of elements, typically characters, using some character encoding. String may also denote more general arrays or other sequence (or list) data types and structures.
Depending on programming language and precise data type used, a variable declared to be a string may either cause storage in memory to be statically allocated for a predetermined maximum length or employ dynamic allocation to allow it to hold a variable number of elements.
When a string appears literally in source code, it is known as a string literal or an anonymous string.In formal languages, which are used in mathematical logic and theoretical computer science, a string is a finite sequence of symbols that are chosen from a set called an alphabet.