In c++ what does a tilde “~” before a function name signify?

Question

 template 
 class Stack
 {
 public:
    Stack(int = 10) ; 
    ~Stack() { delete [] stackPtr ; }  //<--- What does the \"~\" signify?
    int push(         


        

Answer 1

This is a destructor. It's called when the object is destroyed (out of life scope or deleted).

To be clear, you have to use ~NameOfTheClass like for the constructor, other names are invalid.