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Social ScienceWhat are the components of a function and how do I use it in a program?
What are the components of a function and how do I use it in a program?
Expert Answer
In programming language there are two types of function one is build in type and the other is user-defined.
The syntax of a function is:
returnType functionName (NumberOfArgument)
{
Statement1;
Statement2;
…………..
return statement;
}
Component of a function:
- Prototype declaration of a function
- Function definition
- Calling a function
- Number of arguments in a function
- Return statement of a function
- Prototype declaration of a function means to declare a function before use it.
A function declaration tells the compiler the return type of a function, the name of the function and the number of the argument of a function.
For example:
Void functionAbc (int a, int b);
This function has a void return type then it not return any value.
functionAbc is the name of the function.
int a, int b are two integer type argument.
2. The function definition is to define the body of a function.
For example:
Void functionAbc (int a, int b)
{
//body of a function
int c = a+b;
cou...
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