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Enterprise Java
How to Subscribe a Kafka Consumer to Multiple Topics
Apache Kafka is a leading distributed streaming platform that enables the building of real-time data pipelines and streaming applications. One…
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Core Java
Construct HashMap from String
1. Introduction Java’s HashMap class is a widely used data structure that stores key-value pairs. In this tutorial, we’ll aim…
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Core Java
Getting Record Fields and Values with Reflection
1. Overview In the ever-evolving landscape of Java programming, mastering reflection is a crucial skill. Reflection empowers developers to dynamically…
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Core Java
Remove Line Breaks from a File in Java
Handling files is a common task, and sometimes it becomes necessary to manipulate the content within these files. One such…
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spring
RSocket Interface in Spring
RSocket in Spring Framework 6 offers a modern network communication protocol for building responsive, resilient, and message-driven applications. It supports…
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Enterprise Java
Introduction to Apache Kafka
Apache Kafka provides a reliable, scalable, and fault-tolerant messaging system that enables the exchange of data streams between multiple applications…
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Core Java
Java 21: Unnamed Class & Instance Main
Java 21 introduces unnamed classes and instance main methods, enhancing simplicity and flexibility. Unnamed classes allow for quick, on-the-fly class…
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Core Java
Convert Char Array to Int Array in Java
One common task we could encounter is converting character arrays to integer arrays. There are several ways to convert a…
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spring
Validate Boolean type in Spring Boot
In a Spring Boot application, validating the Boolean type ensures data integrity and application reliability. By enforcing constraints on Boolean…
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Core Java
Rotate Arrays in Java
In Java, array rotation refers to shifting the elements of an array by a specified number of positions. This operation…
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