The defined type of memory area where the value is stored is called variable. Variables are the data item whose values may vary during the execution of the program. A specific location or the address in the memory is allocated for each variable and the value of that variable is stored in that location. These …
There are some specific rules for constructing variable names in C language: (a) Variable name may be a combination of alphabet digits or underscores and its lengths should not exceed 8 characters, some compilers allow 40 characters also. (b) The first character must be an alphabet. (c) No comma, blank spaces are allowed in variable …
Rules for constructing variables names In C Programming Language Read More »
All the variables must be declared before their use. It does two things: (a) Tell the compiler what the variable name is. (b) Specify what type of data that a variable will hold. Syntax of variable declaration: data_type variable_name; Example of variable declaration: int i,j,k; char ch;
To assign values to the variables, assignment operator (=) is used. Syntax of assigning values: variable declaration; Variable_name = value; Example of assigning values: Int i , j; j = 5 ; i = 0 ; It is also possible to assign a value at the time of declaration. e.g. int i = 5; More …
How to Assigning values into the Variables in C Programming Language? Read More »
Scope of variable means where the variable stands in the program. All variables may not necessary be available to all statements in a program. Variables can have two types of scope: a) Local: When a variable is declared inside the function then such a variable is known as local variable. A local variable can only …
What are the Scope of variables In C Programming Language? Read More »