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What is the difference between identifiers and variables in C lang?
a variable having the datattype and name, an identifier is the name of the variable for example int x; here int x; is the variable x is the identifier
What is the similarity between an identifier and a variable?
Answer:- identifier is the name like a, b, c, .... which is used to reference a memory location in a program. +-variable is the actual memory location which can hold values.so 'a' is an identifier to a variable which is memory location located somewhere in memory.Answer:A Variable in Java is something that holds a particular value in a class. For example:public class A { private String name = ""; ......} In the above declaration name is a variable. It would hold the data of type String.An Identifier is nothing but the name that we give for our variables, classes, methods etc. It is nothing but the name with which we identify an entity in Java. For example here A is the identifier for the class, name is the identifier for the variable etc.
Is it is true that the identifier and a variable in C programming language are same?
No. Identifier is a scientific name for the name.Variables, functions, types, etc -- each have an identifier.
What is identifier variable?
An identifier variable, often referred to simply as an "identifier," is a variable used to uniquely distinguish or identify entities within a dataset or database. It typically contains unique values, such as IDs or codes, that allow for the tracking and management of records without ambiguity. For example, in a customer database, each customer might have a unique identifier variable like a customer ID, which helps differentiate one customer from another.
A unique identifier also is called a primary key?
That is true :)
Which variable is also called the dependent variable?
Output variable
Can identifier be any sequence of digits and letters?
If you mean a variable name, then no -- it must begin with a letter or an underscore, but any combination of letters, digits and underscores may follow. If you mean a variable that stores an identifier, then yes -- so long as the identifier is a string type.
What happens if a final keyword is applied to identifier?
The final keyword indicates that a variable (identifier) can not change his value. In case the variable refers to a reference variable (an object) the values of variables inside (the object) can change but the reference can be reassigned (to another object).
What is meant by static identifier?
Nothing. I guess you mean a static variable.
What is The dependent variable is also called this?
The dependent variable is also called the response variable or the outcome variable. It is the variable that is measured or observed in an experiment to assess the effect of changes in the independent variable. The dependent variable's value depends on the manipulation of the independent variable.
The independent variable is also called the?
explanatory variable
What does the scope of an identifier refer to?
It refers to a place in your code where names or variable have meaning.
