new和delete运算符

演示new和delete的基本用法

# include<iostream>
using namespace std;
int main()
{
	int * p;
	p = new int;
	*p = 25;			//也可在内存分配时，为其准备初值，如：p = new int(25)
	cout << *p;
	delete p;
	return 0;
}