please wait
c++ pointers
Feb 26, 2016 at 2:29am
why my program crashes,if i do this?
int *p;
*p=2;
cout<<p<<endl;
int *p;
*p=2;
cout<<p<<endl;
Feb 26, 2016 at 2:42am
A pointer needs to point to something.
p is not initialised, it contains garbage.
That's ok until you try to modify the value pointed to, it is changing some random memory not owned by your program.
p is not initialised, it contains garbage.
That's ok until you try to modify the value pointed to, it is changing some random memory not owned by your program.
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