Implementing Message Producers and Consumers with RabbitMQ
Core concepts in RabbitMQ revolve around three fundamental components: producers that emit messages, consumers that receive them, and queues that store pending messages. A single queue can except messages from multiple producers and deliver them to multiple consumers, acting as a durable buffer limited only by available storage.
Producer Implem ...
Posted on Mon, 08 Jun 2026 17:14:00 +0000 by englishman69
Kafka Configuration and Consumer Group Management
Installation
Download and extract Kafka:
wget --no-check-certificate https://dlcdn.apache.org/kafka/3.0.0/kafka_2.13-3.0.0.tgz
tar -xzf kafka_2.13-3.0.0.tgz
cd kafka_2.13-3.0.0
Start Zookeeper and Kafka server:
bin/zookeeper-server-start.sh config/zookeeper.properties
bin/kafka-server-start.sh config/server.properties
By default, Zookeeper li ...
Posted on Fri, 15 May 2026 17:56:58 +0000 by soianyc
Java's Four Core Functional Interfaces Explained
The java.util.function package in Java 8 contains four fundamental functional interfaces: Consumer, Function, Predicate, and Supplier. These provide a standard way to utilize lambda expressions and method references.
Functional Programing in Java
A functional interface in Java is an interface that contains exactly one abstract method. This cons ...
Posted on Sun, 10 May 2026 22:01:03 +0000 by jsnyder2k