December 29 functions

First, the function

1. What's the function?

A function in a program is a block of code that can perform a separate function.

Mathematics is a highly abstract function.

2. Four elements of the function:

static void Main (string[] args) {};

Static return type function name (input parameter list) {function Body};

(1), function name Main is the name of the function

(2), input string input type

(3), processing {processing content;}

(4), output void output type

3, the function of the call:

Weather (s) function name (parameter); This function is suitable for no return value;

String c= weather (s), suitable for functions with return values;

4. Benefits of the function:

(1), reusable

(2), can be divided into

(3), Code clear

Functions: Check code--right---refactoring----Input function name---OK (auto-generate functions)

December 29 functions