When to use pointers and when not to?

Question

I\'m used to doing Java programming, where you never really have to think about pointers when programming. However, at the moment I\'m writing a program in C++. When making

Answer 1

Both are OK under different conditions. For example, if you know how to construct b when an object of class Foo is constructed, the first is OK. But if you don't, the only choice is to use the second.