| User info | |
|---|---|
| User name: | limchankhim |
| Name: | lim chan khim |
| Location: | penang |
| Bio: | declaring pointers
// more pointers #include <iostream> using namespace std; int main () { int firstvalue = 5, secondvalue = 15; int * p1, * p2; p1 = &firstvalue; // p1 = address of firstvalue p2 = &secondvalue; // p2 = address of secondvalue *p1 = 10; // value pointed to by p1 = 10 *p2 = *p1; // value pointed to by p2 = value pointed to by p1 p1 = p2; // p1 = p2 (value of pointer is copied) *p1 = 20; // value pointed to by p1 = 20 cout << "firstvalue is " << firstvalue << '\n'; cout << "secondvalue is " << secondvalue << '\n'; return 0; } why secondvalue is 20 ? i no understand this programming pls explain tq |
| Statistical data | |
| Birthdate: | May 12, 1989 |
| Gender: | Male |
| Occupation: | Student |
| Skills: | C++ |
| History | |
| Joined: | |
| Number of posts: | 27 |
| Latest posts: |
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