Char vs Undefined - What's the difference?
char | undefined |
(obsolete) A time; a turn or occasion.
(obsolete) A turn of work; a labour or item of business.
An odd job, a chore or piece of housework.
A charlady, a woman employed to do housework; cleaning lady.
(obsolete) To turn, especially away or aside.
To work, especially to do housework; to work by the day, without being a regularly hired servant.
* 1893', She explained that she was the commissionaire's wife, who did the ' charing , and I gave her the order for the coffee. — Arthur Conan Doyle, ‘The Naval Treaty’ (Norton 2005, p.677)
* 1897 , , chapter 2
(obsolete) To perform; to do; to finish.
* Old proverb
To work or hew (stone, etc.).
One of the several species of fishes of the genus Salvelinus .
(ergative) To burn something to charcoal.
To burn slightly or superficially so as to affect colour.
A charred substance.
(computing, programming) A character (text element such as a letter or symbol), whose data size is commonly one or several bytes.
* Java programming language tutorial [http://docs.oracle.com/javase/tutorial/i18n/text/terminology.html]
* 1975 , Computerworld - 23 avr. 1975 - Page 21
* 1997 , Cay S Horstmann, Gary Cornell, Core Java 1.1: Fundamentals
* 1998 , John R Hubbard, Schaum's Outline of Theory and Problems of Fundamentals of Computing with C++
* 2000 , Ken Brownsey, The essence of data structures using C++
* 2002 , Nell B. Dale, Michael McMillan, Visual Basic .NET: a laboratory course - Page 25
(British) tea (drink)
Lacking a definition or value.
(mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
As a proper noun char
is a nickname for charlotte.As an adjective undefined is
lacking a definition or value.char
English
Etymology 1
From (etyl) . More at chore, ajar.Alternative forms
* chareNoun
(en noun)- I had to scrub the kitchen today, because the char couldn't come.
Synonyms
* charlady * charwoman * cleaning lady * cleaning womanVerb
- Her husband had been a soldier, and from a grateful country she received a pension large enough to keep her from starvation, and by charring and doing such odd jobs as she could get she earned a little extra to supply herself with liquor.
- That char is chared , as the good wife said when she had hanged her husband.
- (Nares)
Etymology 2
Origin unknown, perhaps from Celtic.Alternative forms
* charrNoun
(en-noun)- “Among other native delicacies, they give you fresh char .”
Etymology 3
Verb
(charr)Synonyms
* coal * blacken, scorch, sear, singeNoun
(en-noun)Synonyms
* charcoalEtymology 4
Abbreviation of (m).Noun
(en noun)- The unit is an 80-column, 30 char. /sec dot matrix printer which uses a 5 by 7 font.
- A Unicode code unit is a 16-bit char value. For example, imagine a String that contains the letters "abc" followed by the Deseret LONG I, which is represented with two char values. That string contains four characters, four code points, but five code units.
- Chars can be considered as integers if need be without an explicit cast.
- Then since each char occupies one byte, these four bytes represent the three letters 'B', 'y', 'e', and the null character NUL.
- Thus string variables are pointer variables to chars .
- .NET uses the Unicode character set in which each char constant or variable takes up two bytes (16 bits) of storage.
Derived terms
* signed char * unsigned charEtymology 5
From (etyl) , with intrusive r .Noun
(-)undefined
English
Adjective
(wikipedia undefined) (-)- The result of division by zero is undefined .