Design patterns are the ultimate toolkit for programmers. Furthermore, we use them to create maintainable software. This post goes through the design patterns and provides sample Java codes. The Need For Design Patterns Design patterns are known solutions to common
How to use State Design Pattern in Rust
Anything has a state. An entity has a state. Similarly, a car can be in a state of acceleration. While it is accelerating, there are some things it certainly cannot or should not do, e.g., reversing at that very moment. The State Design Pattern treats each state as a struct whose functions represent movements to the other states.