Category: Java

In this post, we will try to explain the importance of the Command design pattern with a java real-time example. The command pattern is one of the behavioural design patterns. behavioural design patterns deal with objects and how they communicate with each other. The command pattern is used when we don’t know the input request…

in this post, we will elaborate on the Chain of responsibility design pattern real-time examples. first let’s discuss, what is a behavioral design pattern?  these are deals with communication between objects. it increases the flexibility in carrying out the communications. these design patterns explain how a group of objects cooperate with each other to complete…

In this section, we will explain the concept of proxy design pattern with real-time examples. in the definition world, the proxy is a replacement for a real one. Our atm card is a proxy to access the bank account. the proxy design pattern is one of the structural design patterns.  We use that as cash…

Flyweight design pattern: it is one of the structural design patterns, it is very useful when our application uses lots of objects. lots of objects can cause the Outofmemory Exception. we should be careful with object creation. each object loads memory. it impacts application performance too. The flyweight design patterns eliminate the object creating even…

Facade design pattern: A facade design pattern is easy to implement. it does not add any additional functionalities like a decorator pattern. As the name suggests, the facade is the face of the building. Sometimes you want to hide the complex functionality from the external world. it is achieved through user interfaces. A real-time example…

Decorator Pattern: it is one of the structural design patterns. In this post, we will elaborate on the decorator pattern and importance. the primary purpose of this pattern is used to add additional functionalities to object during run time. you might think of inheritance to add additional functionalities to the existing class. class Calc {…

Composite pattern: in this post, we will try to understand the importance of the composite pattern with a real-time example. Composite Design Pattern Java is one of the structural design patterns.  As developers, we want to perform the same operation on a single object and group of objects. For example, there is a tech seminar…

bridge design pattern in section, we will explain the purpose of bridge design pattern with real time example. first, let’s discuss what is a bridge design pattern? it is one of the structural design patterns. A bridge pattern is used to decouple the abstraction from its implementation. abstraction is nothing but an interface or abstract…

Adapter design pattern: In this post, we will try to explain the importance of an adapter design pattern with real-time examples. It is one of the structural patterns. it converts an interface to another user expected interface. it works as a bridge between two separate interfaces. the adapter does the conversion and translation too.beauty of…

why structural design patterns? a design pattern is the structure of code to solve a specific problem. It makes the code more flexible and elegant. It helps us to be better developers when we are aware of these patterns.  the code will be shorter when we will follow the pattern. design patterns provide guidelines and…