Categories

Categories

Java

Optionals in Java

If and Switch Statements in Java

Exception Handling in Java with Code Examples

Loops in Java: For, for-each, While, and Do-While

Enum explained with code examples in Java

Testing

Mockito using thenReturn and thenAnswer

How to use the Mockito's inline mock maker

Benchmarking Java code with JMH

Repeated test JUnit 5

Conditional Test Execution with Annotations JUnit 5

Multithreading

Virtual vs Platform Threads for API Calls

Virtual vs Platform Threads When blocking operations return too fast

Create a Thread with Runnable in Java

Extending the Thread class in Java

Future with Virtual threads

Mockito

Mockito using thenReturn and thenAnswer

How to use the Mockito's inline mock maker

Mockito: Return value based on stub input arguments

Mockito Create Spy

Mock constructor calls with Mockito 5

Quick solutions

Read a file from resources directory

Create a Thread with Runnable in Java

Extending the Thread class in Java

Lifecycle methods JUnit 5 and 4

Test validation annotations in unit tests

Virtual threads

Future with Virtual threads

How to create virtual threads Java 21

Pinned virtual threads

Use executorservice with virtual threads

Naming virtual threads

Junit

Repeated test JUnit 5

Conditional Test Execution with Annotations JUnit 5

Mockito with JUnit 5

Set display name Junit tests

Use CSV source for parameterized test

Loom

Naming virtual threads

Grouping virtual threads

Use virtual threads as tasks

Java virtual threads

How to create your own custom StructuredTaskScope

Jakarta

Build a REST API with Java

Helidon quickstart with an IDE

Jakarta @PathParam annotation

Jakarta EE REST API HTTP methods

Jakarta REST API with Java SE

Foreign functions

Improve performance of Foreign memory and functions bindings in Java

Java arena types explained

Call C method from Java

Upcall Java code from C code

Programming Fundamentals

Optionals in Java

If and Switch Statements in Java

Exception Handling in Java with Code Examples

Loops in Java: For, for-each, While, and Do-While

Class design

What are Sealed Classes

Design Pattern

What are SSOT, DRY and SRP

Java Pattern: Singleton

Exceptions

Spring ControllerAdvice to handle exceptions

Catching exceptions in java

Helidon

Build a REST API with Java

Helidon quickstart with an IDE

Panama

Call C method from Java

Upcall Java code from C code

Spring

Spring use Virtual threads

Spring ControllerAdvice to handle exceptions

Annotation

Create an annotation and read its data

deserialization

Creating deserialization filters

Enum

Enum explained with code examples in Java

Foreign memory access

Writing a simple Filesystem using Fuse and java 17

IntelliJ

Use Maven to Build and run your project in IntelliJ IDEA

Practices

Ship Faster, Fix Less: How First-Time Right Can Boost Your Development Workflow

Project Amber

Pattern Matching in Java

Streams

Java Stream Group By