Caching Using Hazelcast In Spring Boot REST API
Introduction In this tutorial I am going to show you an example on caching using hazelcast in Spring Boot REST APIs. The cache or caching mechanism is used to store…
What Is Infrastructure As Code Concept?
Infrastructure as Code or IaC, as the name indicates, mainly relies on on perceiving infrastructure in the same way as any code which is why it is commonly referred to…
Make PDF Files Password Protected Using Java
Introduction This example is going to show you how to make pdf files password protected using Java programming language. Many applications require dynamic generation of PDF documents for reporting purpose,…
Connecting To Multiple Oracle Data Sources Using JDBC LDAP URLs
Introduction Here I am going to show you how to connect to Oracle data source using JDBC LDAP URL. I am going to create multiple data sources for connecting to…
Spring RabbitMQ Retry And Error Handling Example
Introduction In this example I am going to show you how to retry the failed messages in RabbitMQ message broker. So, here I am going to retry messages for few…
Integrate Angular into Spring Boot using Gradle
Introduction In this tutorial I will show you how to integrate Angular into Spring Boot using Gradle build tool. So, let’s say you have two different projects – Angular application…
How To Create Angular Project In Existing Folder
Introduction In this example I am going to tell you how to create Angular project in existing folder. So, when you create a new Angular application using ng new angular-app…
Spring Boot application.properties Inheritance/Override
Introduction In this example I am going to show you how to inherit values from application.properties into different environments. So, if you have an application.properties file under class path folder src/main/resources and if you have…
Spring Boot RabbitMQ RPC Example
Introduction In this tutorial, I am going to show you how to create Spring Boot RabbitMQ RPC Example. RPC is an acronym which stands for Remote Procedure Call, in which…
Mockito Guide: Mocking Superclass Methods in JUnit Tests
Introduction When writing unit tests, you may encounter situations where a child class calls a method from its superclass, and you want to mock that superclass method. This is useful when the superclass method performs…