Java Multithreading Examples

Java multithreading examples including two ways of multithreading, good examples, avoiding deadlock, and how many threads can run.

OpenID Connect (OIDC) Example

An explanation of how OpenID works including the OpenID Connect flow, OpenID Connect examples, and OpenID Connect vs OAuth2

What is an example of OpenID Connect?

OAuth Example | How OAuth Works

OAuth and OAuth 2 explained including authorization codes, access tokens, grant types, implicit grants, and the OAuth 2 flow.

What is Replication in MongoDB? Explain with an example.?

Explain what are indexes in MongoDB, with example.?

How we can use sharding in MongoDB, explain with an example.?

1. Explain lookup, and write an example of lookup with a pipeline using in it.?

@KafkaListener | Spring Boot Example

A Spring Boot example using the KafkaListener annotation including annotation properties, KafkaListenerContainerFactory and Default KafkaConsumerFactory explained.

@Qualifier Example | Spring Boot

@Qualifier annotation example in Spring Boot including @Qualifier vs @Primary, the use of @Qualifier and examples.