Why is it good practice to make everything private?

[Guest]

I know it helps make the program more secure and simplifies the interface as much as possible, but how?

How does making everything private make the program more secure? Is it related to reverse engineering?

Help a noob out lol

[Eagle Scripts]

Have a google on the concept and benefits of OOP (Object Oriented Programming)

Edited May 3, 2017 by Eagle Scripts

[Explv]

5 minutes ago, Noidlox said:

I know it helps make the program more secure and simplifies the interface as much as possible, but how?

How does making everything private make the program more secure? Is it related to reverse engineering?

Help a noob out lol

https://en.wikipedia.org/wiki/Encapsulation_(computer_programming)

[Guest]

3 hours ago, Lucki said:

If u forget to open a private window you run the risk of another user using your device and seeing all of the dirty websites you visit.

eli5 done right lol

5 hours ago, Eagle Scripts said:

Have a google on the concept and benefits of OOP (Object Oriented Programming)

Off the top of my head, I know that code reuse-ability is one of them