Core Java

Exposing application statistics using JMX in spring

Explains how application statisctics and Metrics can be exposed via JMX

Simple Java Servlet Microservice

An example of a minimalistic Java servlet based micro service

Single Module Executable Java Application

Shows with example how to create a single module executable java application

Print request and response headers using HttpServletRequest and HTTPServletResponse

Shows how HTTP requests and responses can be printed when needed for trouble shooting in a plain Java micro service

Print request and response headers using HttpRequest and HttpResponse

Shows how HTTP requests and responses can be printed when needed for trouble shooting in a plain Java micro service

Closable & secure http connection

Shows how a closable and TLS secured connection can be created to a remote server in a plain Java micro service

How to create cache of caches using google guava cache ?

We use google guava cache to keep key value pairs. This post shows how to handle cache of caches.

How to expose app. statistics by implementing JMX & view them in JConsole with namespace & grouping?

Example of real life application of Java Management Extensions in cloud native development.

How to traverse a Json tree and how to find and extract nested elements in Json?

JSON is a standard to send data over HTTP in cloud native development. An example that shows JSON can be parsed.

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