For this post I get steps from an official documentation by Apache Cassandra check the link. 1. Install Apache Cassandra.docker pull cassandra:latest2. A Docker network allows us to access the container’s ports without exposing them on …
Parallel processing a problem in multiple cores each process running in a separate thread. however, consider the overhead. In this example it is faster to get the paths names files in parallel than sequential, however it is faster or equal to rea…
KeycloakKeycloak is an open source identity and access management for modern applications and services, no need to deal with storing users or authenticating users. it’s all available out of the box.The Documentation keycloak mentioned the fo…
1. Example with Predicate – Filter list from another list object.import com.fasterxml.jackson.core.JsonProcessingException;import com.fasterxml.jackson.databind.ObjectMapper;import java.util.ArrayList;import java.util.List;import jav…
Single Sign-On with Keycloak 17.0.1 and Spring Boot 2.6 or later.Single Sign-On (SSO)Single Sign-On Is an authentication method that permits a user to use one set of login credentials with multiple application.KeycloakKeycloak is an open source identit…