2_15.cpp

《C++语言程序设计（第2版）》例题程序

#include <iostream.h>

struct aircraft 
{
	int wingspan;// 翼幅
	int passengers; //乘客
	union //无名联合作为结构体的内嵌成员
	{
		float fuel_load; // 战斗机装载的燃料
		float bomb_load; // 轰炸机装载的炸弹
		int pallets; // 运输机的货盘
	};
} fighter, bomber, transport;

int main()
{
	fighter.wingspan = 40;
	fighter.passengers = 1;
	fighter.fuel_load = 12000.0;
	
	bomber.wingspan = 90;
	bomber.passengers = 12;
	bomber.bomb_load = 14000.0;
	
	transport.wingspan = 106;
	transport.passengers = 4;
	transport.pallets = 42;
	
	transport.fuel_load = 18000.0;
	fighter.pallets = 4;
	
	cout << "The fighter carries "<< fighter.pallets << " pallets.\n";
	cout << "The bomber bomb load is " << bomber.bomb_load << "\n";
	
	return 0;
}