What are Design Patterns?
Design patterns are solutions to known problems. The pattern represents an abstracted solution to a commonly experienced problem. As the solution is abstracted it is language [...]
design patterns
Design Patterns: The Beginning
The Beginning Where did they come from? Did they just appear overnight? In fact, design patterns have a long history starting way before computing. But it wasn’t really [...]
Singleton Pattern
OK let’s have a look at our first pattern. The singleton pattern is one of the most well-known design patterns and is used extensively by frameworks such as Spring, pool [...]
Singleton Pattern in Java EE
The singleton pattern is one of the most well-known design patterns and is used extensively by frameworks such as Spring. Java EE offers an elegant and easy way to implement [...]
Strategy Pattern Implemented as an Enum
Discover an alternative way to implement the classic GOF strategy pattern using the humble enum. With code examples, you will see two interesting ways to implement strategy [...]
Design Patterns are Like Umbrellas
If you implement the pattern well you will be dry and happy, if you implement it badly you will be wet and very unhappy. Find out how to correctly implement design patterns [...]