Create simple hash map with expiration(time-to-live) feature
You want to add & use simple cache in your application via hash map, but also you want your cache to remove automatically expired …
Threads in Java
Like people, computers can multitask. They can be working on several different tasks at the same time. A computer that has just a single central …
Optimal Stopping - Look-then-Leap Rule and Practical Implementation with Java
In this article, we are going to dive into the what is the optimal stopping and we are going to write practical implementation with Java. First, …
Utility script for pretty printing kafka consumer log
Recently, I had to listen kafka consumer log to identity bug I have found in my web application. But listening kafka consumer logs via console output …
How to use cache in Spring Boot applications without annotation(s)
Almost every blog(s) on the Internet for caching operation in the Spring Boot are using @Cacheable, @CacheEvit, @CachePut vs… In this blog we …
Running Spring Boot Application with Podman
To run spring boot application in a container. We should do the following steps: Create a jar package with maven or gradle (mvn clean install or mvn …
Running PostgreSQL with Podman
Instead of running postgresql locally, we can easily run with Podman. Here are the basic steps you should follow. Search available Postgres Images You …