Design Patterns
Design patterns are the standard solution to frequently occurring problem. it should be reusable.
for instance if we use square shape of wheel in vehicle, then it will be designing fault on daily actions.
OR
Design Patterns: Elements of Reusable Object-Oriented Software", published by Erich Gamma, Richard Helm, Ralph Johnson and John Vlissides, often referred to as the Gang of Four (GoF)
Most important and popular design pattern are:
1. Decorator pattern
2. Singleton pattern
3. Initialization on demand holder
4. The strategy and the factory pattern
5.Adapter pattern
for instance if we use square shape of wheel in vehicle, then it will be designing fault on daily actions.
OR
Design Patterns: Elements of Reusable Object-Oriented Software", published by Erich Gamma, Richard Helm, Ralph Johnson and John Vlissides, often referred to as the Gang of Four (GoF)
Most important and popular design pattern are:
1. Decorator pattern
2. Singleton pattern
3. Initialization on demand holder
4. The strategy and the factory pattern
5.Adapter pattern
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