Home » Author Archives: Joel Patrick Llosa

Author Archives: Joel Patrick Llosa

Joel Patrick Llosa
I graduated from Silliman University in Dumaguete City with a degree in Bachelor of Science in Business Computer Application. I have contributed to many Java related projects at University of Southampton (iSolutions), Predictive Technologies, LLC., Confluence Service, North Concepts, Inc., NEC Telecom Software Philippines, Inc., and NEC Technologies Philippines, Inc. You can also find me in Upwork freelancing as a Java Developer.

Spring Boot and JPA Example

Are you keen on learning about using Spring Boot with JPA? Yes? Gather your tools and read on. This example is very straight forward and simple, it should be easy to understand. Let’s begin with our Spring Boot JPA example. 1. Tools Apache Maven Mars Eclipse Spring Boot Spring Data JPA H2 Database Engine 2. Assumptions This article assumes that ...

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Spring Boot Logging Example

Looking to learn about Spring Boot Logging? Read this example, it is very straight forward and simple. 1. Assumptions This article assumes that you know your way around Eclipse. You are familiar with Maven. This project has been created using Eclipse Mars so all instructions are based on this IDE. This article uses the code base from the Spring Boot ...

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Spring Boot JDBC Example

Do you want to learn about using Spring Boot with JDBC? Yes? Then you have come to the right place. This example is very straight forward and simple, even a 12 year old can understand. Let’s begin with our Spring Boot JDBC example. 1. Tools Apache Maven Mars Eclipse Spring Boot H2 Database Engine 2. Assumptions This article assumes that ...

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Using MockRestServiceServer to Test a REST Client

This article is an example in using MockRestServiceServer to test a REST client. MockRestServiceServer is a part of the Spring library for testing. It is the main entry point for client-side REST testing. It provides mock responses from expected requests through the RestTemplate. It eliminates the use of an actual server and thus speeds up the testing process. With its ...

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Read JSON From a URL Example Using Data Pipeline

I have a problem. I want to read JSON from a URL. Naturally, like anybody else, I googled for some solutions. There were a lot of solutions shared in Stack Overflow and other sites. I tried some of them but I’d like to share the one where I used the Data Pipeline Java library. 1. Tools and Prerequisites Data Pipeline ...

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SNMP Walk Example using SNMP4J

This article is pretty straightforward. It’s an SNMP walk example using SNMP4J. SNMP is used in managing and monitoring network devices. It is an Internet standard protocol for managing devices on IP networks. 1. Tools and Prerequisites SNMP4J library Mars Eclipse 2. Create the Project You may skip this process because this is a fairly simple example which can be ...

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Test-Driven Development with SNMP4J

This article presents a simple example of test-driven development with SNMP4J. Unit testing goes hand in hand with TDD. Agile testing is designed to prevent bugs and relies primarily on unit tests. Comprehensive regression testing can be run several times in a day. A test suite prevents fixed bugs from coming back or finding side effects of changes. The source ...

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SNMPv3 Set Example using SNMP4J

This article presents a simple example of an SNMPv3 Set request using the SNMP4J library. SNMP is used in managing and monitoring network devices. It is an Internet standard protocol for managing devices on IP networks. 1. Tools and Prerequisites SNMP4J library Mars Eclipse 2. Create the Project You may skip this process because this is a fairly small example ...

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Atlassian Confluence Job Config Module Example

We are going to learn to create a simple Job Config Module for the Atlassian Confluence Server in this article. This Confluence Plugin Module Type is available in version 5.10 or later. The most common use of the Job Config Module is when we want our application to run scheduled and repeatable tasks. Let us begin. 1. Requirements Atlassian SDK ...

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How to Use the Atlassian Cache API

Nowadays, people want fast service. If your web page takes a long time to load, chances are the user will move to another page. To help us speed things up, we will use the Atlassian Cache API. The Atlassian Cache API stores data so that future requests for that data can be served faster. In this example, the data stored ...

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