Before knowing the use of design patterns, have a look at need for design patterns.
Following are some of the uses of design patterns:
- Make it easier to reuse successful designs and architectures.
- Make it easy for the new developers to design software.
- Allows us to choose different design alternatives to make the software reusable
- Helps in documenting and maintaining software.
The bottom-line of using design patterns is: “To get a design right, faster”.