The?identifier?is only used to identify an entity uniquely in a program at the time of execution whereas, a?variable?is a name given to a memory location, that is used to hold a value.?Variable?is only a kind of?identifier, other kinds of?identifiers?are function names, class names, structure names, etc.
2016-03-08
C 語言規(guī)定,標識符可以是字母(A~Z,a~z)、數(shù)字(0~9)、下劃線_組成的字符串,并且第一個字符必須是字母或下劃線。
變量就是可以變化的量,而每個變量都會有一個名字(標識符)。
2020-07-24
The?identifier?is only used to identify an entity uniquely in a program at the time of execution whereas, a?variable?is a name given to a memory location, that is used to hold a value.?Variable?is only a kind of?identifier, other kinds of?identifiers?are function names, class names, structure names, etc.
2017-11-22
也就是兩個是一樣的?
2016-03-08
標識符可以是字母(A~Z,a~z)、數(shù)字(0~9)、下劃線_組成的字符串,并且第一個字符必須是字母或下劃線。變量就是可以變化的量,而每個變量都會有一個名字(標識符)。
2016-03-08
答案同上