What is Singleton’s design pattern?Singleton design pattern is a part of the creational design pattern which is used to implement the creation of a single instance in an application (per JVM). This pattern is responsible to restricts the instantiation of a class to one object only. In JDK, java.lang.Runtime is…
Motive: Designing a service through which users can upload and see the pictures like feeds on other social media platforms. It’s a photo-sharing app called Instagram. Here, we are not designing a complete architecture. The Instagram System Design post is an overview of the architecture for learning purposes. What is…
CAP Theorem defines three characteristics of distributed database systems namely- Consistency, Availability and Partition tolerance. These three characteristics defined the capabilities and in-capabilities of your distributed database system. The CAP theorem is also known as Brewer’s Theorem on the name of professor Eric A. Brewer. A distributed system is a…