Introduction In the previous chapter I wrote about setting up a Hello World lambda function with the support of aws
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Java 8 Lambda function with Eclipse IDE – chapter 1
Introduction In this tutorial I will explain how to create a serverless api on amazon aws with lambda functions and
How to setup a Spring Boot application on Amazon AWS
I have read a couple of blog posts on how to run a Spring Boot application on Amazon AWS EBS.
Java Memory Handling
The Java Virtual Machine defines various run-time data areas that are used during execution of a program. Some of
Java Memory Handling – Heap spaces
Heap memory is divided into Young-Generation, Old-Generation or Tenured Generation, and Permanent Generation. The Young Generation is where all new objects are allocated
Java Memory handling – Stack and Heap
The Java Virtual Machine defines various run-time data areas that are used during execution of a program. Some of these
Mutex and Semaphores
Mutexes are used to control access to a section of code that cannot be executed concurrently by more than one thread. Simplifying the story,
Unit Testing (with JUnit & Spring) tutorial – part 1
In computer programming, unit testing is a software testing method by which individual units of source code, sets of one
Java code to know when a number is Happy
A happy number is a number defined by the following process: Starting with any positive integer, replace the number by
How to clean glassfish 4 cache and prevent deployment exceptions
When deploying an application to a glassfish server, some exception can appear in the administration console and server.log file: “org.glassfish.deployment.common.DeploymentException”
