p239.cpp

#include <iostream>
#include <string>
using namespace std;
class Person {
	string	name;
	int	age;
	char	sex;
public:
	Person(const string &nm, int n, char s) : name(nm), age(n), sex(s) {}
	void show();
};
void Person::show() {
	cout << "氏名: " << name << endl;
	cout << "年齢: " << age  << " 歳" << endl;
	cout << "性別: " << sex  << endl;
}
int main()
{
	Person yamada("ヤマダ", 26, 'M');
	Person tanaka("田中",   24, 'F');
	yamada.show();
	tanaka.show();
	return 0;
}

p239_reverse.cpp

#include <iostream>
#include <string>
using namespace std;
class Person {
	string	name;
	int	age;
	char	sex;
public:
	Person(const string &nm, int n, char s) : name(nm), age(n), sex(s) {}
	void show();
};
void Person::show() {
	cout << "氏名: " << name << endl;
	cout << "年齢: " << age  << " 歳" << endl;
	cout << "性別: " << sex  << endl;
}
int main()
{
	Person tanaka("田中",   24, 'F');
	Person yamada("ヤマダ", 26, 'M');
	yamada.show();
	tanaka.show();
	return 0;
}

p239_tri.cpp

#include <iostream>
#include <string>
using namespace std;
class Person {
	string	name;
	int	age;
	char	sex;
public:
	Person(const string &nm, int n, char s) : name(nm), age(n), sex(s) {}
	void show();
};
void Person::show() {
	cout << "氏名: " << name << endl;
	cout << "年齢: " << age  << " 歳" << endl;
	cout << "性別: " << sex  << endl;
}
int main()
{
	Person chomado("ちょまど",24, 'F');
	Person yamada("ヤマダ",  26, 'M');
	Person tanaka("田中",    24, 'F');
	yamada.show();
	tanaka.show();

	Person chomado2("ちょまど",24, 'F');
	Person yamada2("ヤマダ",  26, 'M');
	Person tanaka2("田中",    24, 'F');

	Person chomado3;
	Person yamada3;
	Person tanaka3;

	int a;
	int b, c;
	int d;
	
	string t;
	string u,v;
	string w,
	
	string ss("hoge");
	string tt("moge");
	string uu("hage");
	
	string vv;
	
	string ww("hoge");
	string xx("hoge");
	
	return 0;
}