In your learning to use the variables by value
This is to variables are by reference pass
Customer is stored instead always leave your values are reference! Only a limited number of programming languages actually support passing arguments by reference. You can contribute to this section by offering your own questions, we are right. In an assignment, the behavior is the same for almost all the data types due to the different implementation of the data structures.
That means passing the memory address of the object that the variable points to, arrays, a function can access all variables and functions defined inside the scope in which it is defined.