parent_son.cc

来自「ns2.31下的UWB（Ultra WideBand）实现」· CC 代码 · 共 25 行

#include "stdio.h"

class parent {
public:
	parent() { index_ = 999;}
protected:
	int index_;
};

class son : public parent {
public:
	son() { index_ = 303;}
	int get_index() {
		return index_;
	}
};

int main() {
//	son *son_;
//	printf("The index_ of son pointer is %d\n", son_->get_index());
	son *son_entity = new son();
	printf("The index_ of son entity is %d\n", son_entity->get_index());
	return 0;
}