Noel Kamphoa, Author at Noel Kamphoa

How to Fix UnfinishedStubbingException In Java

Learn what causes UnfinishedStubbingException in Java, how to identify improper mock usage, and best practices to avoid this Mockito error.

Learn about the causes of InvalidUseOfMatchersException in Java, common mistakes with Mockito matchers, and how to fix them effectively

Disable wildcard imports in IntelliJ for cleaner code by adjusting import settings to show explicit classes.

Explore Java's sealed classes and interfaces, their uses, and how they enhance control over subclassing and improve code safety.

Learn how to use Java Records to simplify data modeling with immutable data, automatic method generation, and concise syntax in your apps.

Learn how to install and configure the OpenTelemetry Collector using Docker to gather and export telemetry data from your applications.

Learn how to install Metricbeat using Docker in a few simple steps. Monitor system metrics easily with this lightweight data shipper setup.

Learn how to install Filebeat using Docker to efficiently collect and ship log data. Follow these easy steps for seamless log monitoring setup

ELK Stack: install Elasticsearch, Logstash, and Kibana using Docker Compose for efficient log management, and data analysis.

Learn how to configure Kibana by creating data views, using Elasticsearch SQL, and mastering KQL for efficient data queries and analysis