Structural Design Pattern

7 articles

Structural – Flyweight Design Pattern

Flyweight Pattern is a Structural Design Pattern that used when we need to create a large number of similar objects. That means this pattern provides ways to decrease object count thus improving application required object structure. Once flyweight objects have been constructed, they cannot be modified. Let’s see a java program to demonstrate working of […]

August 5, 2020

Design Patterns

Structural – Proxy Design Pattern

Proxy design pattern is a Structural design pattern that provides a class which will limit the access to another class. This is something that authorized to handle the requests on behalf of the original object. Proxy pattern is applicable in four common situations. Virtual proxy – The real object is only created when a client […]

August 4, 2020

Design Patterns

Structural – Composite Design Pattern

Composite is a Structural Design Pattern that is used when two child classes have a common parent class and one of those 2 classes can contain the other class and itself inside the class. For example, let’s take “a file” and “a folder”. Both are data. Therefore “Data” is the parent class. But “a folder” […]

August 3, 2020

Design Patterns

Structural – Bridge Design Pattern

Bridge Pattern is a Structural Design Pattern that lets you to separate one large class into two separate hierarchies Abstraction and Implementation that can be developed independently. It increases the loose coupling between class abstraction and its implementation. Let’s see an example on bridge pattern in java. Observe the bridge between “Shape” and “Colour” […]

August 2, 2020

Design Patterns

Structural – Adapter Design Pattern

Adapter pattern is a Structural Design Pattern that allows 2 incompatible interfaces to work together according to the client’s requirement without changing the existing code. Adapter Design Pattern is also known as Wrapper. Below given is an example in java to understand about adapter pattern. Let’s assume that you are short on toycat object and […]

August 1, 2020

Design Patterns

Structural – Decorator Design Pattern

Decorator Pattern is a structural design pattern. If we want to add behaviors during the runtime for an object, we can use decorator pattern. In other words, we can extend the functionalities of the structure of program without changing the structure. Let’s discuss about the decorator design pattern using an example in java. Here I […]

July 31, 2020

Design Patterns

Structural – Facade Design Pattern

Facade Design Pattern is categorized under Structural Design Patterns. A facade is an object that provides a simplified interface to a larger body of code. We can use facade design pattern to make a software library easier to use, understand and test. Also make the library more readable. Let’s start to discuss about the facade […]

July 30, 2020