Programming Tutorials

Debugging is the process of finding and fixing errors (bugs) in a program so that it works correctly. Example 1: Syntax Error (Missing Semicolon)

Most Spring Boot APIs think they are strict — until a client sends something slightly “off”, and your app quietly accepts it. Examples I’ve seen in r

This post series assumes familiarity with Kotlin, Java, and Spring Boot. No AI was used during the writing of this post series. CoroutineSc

This post series assumes familiarity with Kotlin, Java, and Spring Boot. No AI was used during the writing of this post series. Coroutines

This post series assumes familiarity with Kotlin, Java, and Spring Boot. No AI was used during the writing of this post series. What happen

This post series assumes familiarity with Kotlin, Java, and Spring Boot. No AI was used during the writing of this post series. What about

This post series assumes familiarity with Kotlin, Java, and Spring Boot. No AI was used during the writing of this post series. What we're

What is Recursion? Recursion is a programming technique where a function calls itself to solve a problem. Every recursive function has two main part

1) History of Java Origin of Java (1991) Java was created by James Gosling and his team at Sun Microsystems. The project was initially ca

What is Recursion ? Recursion is when a function calls itself to solve a problem. Every recursion has 2 mandatory parts: Base Case (Stopping

Exception An exception in Java is an unwanted or unexpected event that occurs during the execution of a program, which disrupts the normal flow

✔️ Correct Code : public class Home{ public static void main (String[] args){ System.out.println("hello world"); } } ❌ 1.

When learning Java, writing code is just one part. The real skill comes from debugging errors. Error Example 1: Incorrect Keyword Case Public clas

In the first part of this series, we built a real Quarkus MCP server and connected it to IBM Bob. The server exposed tools, resources, resource templa

Good morning. This is my next addition to the COBOL world. A few weeks ago I posted about Easy COBOL Migrator, a desktop transpiler that converts C

If you are learning Java and struggling with Data Structures & Algorithms (DSA)… you're not alone. Most people spend months jumping between tutorial

SJF4J vs Jayway JsonPath: Up to 7x Faster in Java Benchmarks

We benchmarked JSONPath in Java. SJF4J: https://github.com/sjf4j-projects/sjf4j Jayway JsonPath: https://github.com/json-path/JsonPath Result: SJ

What is DB Explorer? DB Explorer is a free, open desktop database client built in Java. It supports PostgreSQL, MySQL/MariaDB, Oracle, SQL

What is Exception Handling? Exception Handling in Java is a mechanism to handle runtime errors so that the normal flow of the program can b