List/Grid Tag Archives: Design Patterns

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Decorate with decorator design pattern

Decorator pattern is one of the widely used structural patterns. This pattern dynamically changes the functionality of an object at runtime without impacting the existing functionality ...
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Facade Design Pattern – Design standpoint

In our previous article we have described about the Adapter Design Pattern. In today’s article we are going to show about another such Gang of Four Structural patterns. As the name ...
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Gang of Four – Proxy Design Pattern

Proxy is another Structural design pattern which works ‘on behalf of’ or ‘in place of’ another object in order to access the later. When to use this pattern? Proxy pattern is ...
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By your Command – Command design pattern

Command design pattern is one of the widely known design pattern and it falls under the Behavioral Design Pattern (part of Gang of Four). As the name suggests it is related to actions ...
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Prototype Design Pattern: Creating another dolly

It’s really a time consuming process to create objects and also an expensive affair. So we are now on a venture to save both time and money. How do we do that?Anybody remember about ...
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Design Patterns: Mogwai or Gremlins?

The 1994 book Design Patterns: Elements of Reusable Object-Oriented Software introduced many software developers to the concept of ‘a catalog of simple and succinct solutions ...
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Design Best practices using Factory Method Pattern

In the previous Design Pattern example we have explained about a flavor of Factory pattern which is commonly used nowadays. In this session we will understand a more advanced solution ...
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Abstract Factory Design Pattern Explained

Abstract Factory Design Pattern is another flavor of Factory Design Pattern. This pattern can be considered as a “super factory” or “Factory of factories”. The Abstract Factory ...
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JavaEE Revisits Design Patterns: Decorator

This time last year I wrote a series of blog posts on JavaEE implementation of design patterns. Roughly after a year, I realized I missed my favorite pattern, the decorator. Decorator ...
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Factory Design Pattern Case Study

I had a job to check our project code quality. And have to report it back to my team leader for any obstacle that i found in the project. I found a lot of leaks and i think would be ...
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