Should I learn design patterns?

Question

I heard sometimes this expression "design patterns", and people said that it was crucial for a programmer know it. Today it seems Design Patterns is already forgotten, or not? So what is this, in fact? And should I learn it?

Answer 1

If you want to pursue you career as a software developer then yes it is one of crucial thing after data structures.

Design patterns are the solutions to the repetitive problems faced by developers.
You can practice design patterns through a book or various tutorials are available online for free. So grasp the concepts and apply them using your favourite programming language(s).