C++ helloworld

/*
 * point.cpp
 *
 *  Created on: Dec 1, 2013
 *      Author: gaojie
 */

#include <iostream>
using namespace std;


class Point3 {
private :
	int x ;
	int y ;
	int z ;
public:

	Point3();
	~Point3();

	Point3(int x, int y, int z);

	void Print() const {
		cout << "x:" << x <<", y:"<<y <<", z:"<<z<<endl;
	}

	int getX() const {
		return x;
	}

	int getY() const {
		return y;
	}

	int getZ() const {
		return z;
	}
};

Point3::Point3(){
	x = 10,
	y = 20;
	z = 30;
}

//析構函數, 對象銷燬時調用
Point3::~Point3(){
	x = 0; y =0; z = 0;
	cout << "destory" <<endl;
}

Point3::Point3(int x, int y, int z) {
	this->x = x;
	this->y = y;
	this->z = z;
};

int main(void){
	//建立local變量
	Point3 p1(1, 3, 5);
	p1.Print();


	//建立堆對象(malloc)
	Point3* p = new Point3(5, 15, 25);
	p->Print();
	delete p;


	return 0;
}