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#2
rohalloway2018-12-24 16:26
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#include"stdafx.h"
#include<iostream>
using namespace std;
int* newPointerGet(int* p1)
{
int k1 = 55;
p1 = new int;
*p1 = k1;
return p1;
}
int* PointerGet(int* p2)
{
int k2 = 55;
p2 = &k2;
return p2;
}
int main()
{
cout << "输出函数各自返回指针所指向的内存的值" << endl;
int* p = NULL;
p = newPointerGet(p);
int* i = NULL;
i = PointerGet(i);
cout << "newGet:" << *p<<endl ;
cout << "Get:" << *i << endl;//*i 的值不是55,显示为:260090768,每次编译显示的值还不一样。
cout << "i 所指向的内存没有被立刻销毁,执行一个输出语句后:" << endl;
cout << "newGet:" << *p << endl;
cout << "get:" << *i << endl;
delete p;
cout << "销毁内存后:" << endl;
cout << "newGet:" << *p << endl;
return 0;
}
#include<iostream>
using namespace std;
int* newPointerGet(int* p1)
{
int k1 = 55;
p1 = new int;
*p1 = k1;
return p1;
}
int* PointerGet(int* p2)
{
int k2 = 55;
p2 = &k2;
return p2;
}
int main()
{
cout << "输出函数各自返回指针所指向的内存的值" << endl;
int* p = NULL;
p = newPointerGet(p);
int* i = NULL;
i = PointerGet(i);
cout << "newGet:" << *p<<endl ;
cout << "Get:" << *i << endl;//*i 的值不是55,显示为:260090768,每次编译显示的值还不一样。
cout << "i 所指向的内存没有被立刻销毁,执行一个输出语句后:" << endl;
cout << "newGet:" << *p << endl;
cout << "get:" << *i << endl;
delete p;
cout << "销毁内存后:" << endl;
cout << "newGet:" << *p << endl;
return 0;
}