内存泄露的情形
：
1
#include <iostream>
2using namespace std;
3
4class Stu
5
{
6
public:
7 Stu(int m):var(m)
8
{
9 cout << var <<" constructor called." << endl;
10
}
11 ~Stu() { cout << var << " destructor called." << endl;}
12 private:
13 int var;
14
};
15
16
17int main()
18{
19 Stu *a = new Stu(20);
20 Stu *b = new Stu(30);
21 delete b;
22 return 0;
23 //or 其他隐藏异常
24
25 //导致内存泄露
26 delete a;
27
28 return 0;
29}
#include <iostream>2
using namespace std; 3
4
class Stu5
{
6
public:7
Stu(int m):var(m)8
{ 
9
cout << var <<" constructor called." << endl;10
} 11
~Stu() { cout << var << " destructor called." << endl;} 12
private:13
int var; 14
};15
16
17
int main()18
{19
Stu *a = new Stu(20); 20
Stu *b = new Stu(30); 21
delete b;22
return 0;23
//or 其他隐藏异常24
25
//导致内存泄露26
delete a;27
28
return 0;29
}
