char name[16] = "abcdefg";
//输出结果是多少？
cout << name << endl;
name[3] = '\0';
//输出结果又是多少？
cout << name << endl; 

# include <iostream>
# include <cstring>
# define SIZE 15
using namespace std;
int main(void)
{
  char name_cin[SIZE];
  char name[SIZE] = "C++owboy"; //initialized array
  cout << "Hello I'm " << name;
  cout << "! What is your name ? ";
  cin >> name_cin;
  cout << "Well " << name_cin << ", your name has ";
  cout << strlen(name_cin) << " letters and is stored " << endl;
  cout << "in an array of " << sizeof(name_cin) << "bytes." << endl;
  cout << "your initial is " << name_cin[0] << "." << endl;
  name[3] = '\0';
  cout << "Here are the first 3 characters of my name : ";
  cout << name << endl;
  return 0;
}

# include <iostream>
using namespace std;
int main(void)
{
 const int ArSize = 20;
 char name[ArSize];
 char dessert[ArSize];
 cout << "Enter your name : " << endl;
 cin >> name; //输入名字
 cout << "Enter your favorite dessert: " << endl;
 cin >> dessert; //输入甜点的名字
 cout << "I have some delicious " << dessert;
 cout << " for you, " << name << "." << endl;
 return 0;
}

 # include <iostream>
using namespace std;
int main(void)
{
  const int ArSize = 20;
  char name[ArSize];
  char dessert[ArSize];
  cout << "Enter you name : " << endl;
  cin.getline(name,ArSize);
  cout << "Enter you favorite dessert : " << endl;
  cin.getline(dessert,ArSize);
  cout << "I have some delicious " << dessert;
  cout << " for you," << name << endl;
  return 0;
}

# include <iostream>
using namespace std;
int main(void)
{
 cout << "What year was your house built? " << endl;
 int year;
 cin >> year;
 //char ch;
 //cin.get(ch); 接收换行符 (cin >> year).get();
 cout << "What is its street address ? " << endl;
 char address[80];
 cin.getline(address, 80);
 cout << "Year built : " << year << endl;
 cout << "Address : " << address << endl;
 cout << "Done ! " << endl;
 return 0;
}