初学C++ 之 输入输出（IDE：vs2013） 

 1 #include <iostream>　　//引用头文件（输入输出）
 2 
 3 using namespace std;　　//引用命名空间，方便使用输入输出语句
 4 
 5 class MathMethod
 6 {
 7 public:
 8     int a;
 9     int b;
10     MathMethod(int aa, int bb);
11     ~MathMethod();
12     int AddInt();
13 };
14 
15 MathMethod::MathMethod(int aa, int bb)
16 {
17     a = aa;
18     b = bb;
19 }
20 MathMethod::~MathMethod(){}
21 
22 int MathMethod::AddInt()
23 {
24     return a + b;
25 }
26 
27 int AddInt(int a, int b)
28 {
29     return a + b;
30 }
31 
32 int main()
33 {
34     int abc(11);
35     int adc[]{ 22, 33 };
36     for (int i = 0; i < 2; i++)
37     {
38         cout << adc[i] << endl;
39     }
40 
41     char ch;
42     cin >> ch;//输入
43     cout << ch << endl;//输出
44     wchar_t wch = 'a';
45     cout << wch << endl;//输出ascll值
46 
47     int a, b;
48     cin >> a;
49     cin >> b;
50     int c;
51     c = AddInt(a, b);
52     MathMethod mm(a, b);
53     int d = mm.AddInt();
54     cout << "a + b = " << c << endl;
55     cout << "a + b = " << d << endl;
56     system("pause");
57     return 0;
58 }

 

posted @ 2016-09-07 09:21  blackday  阅读(811)  评论(0)    收藏  举报