Thread-based concurrency requires careful coordination when multiple threads share access to common resources. The producer-consumer pattern addresses this challenge by decoupling data generation from data processing through an intermediate buffer.Core Implementation with BlockingQueueJava's java.ut...
Create a new Java project and configure the basic project structure. Add the required dependencies: <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>5.3.15.RELEASE</version> </depende...
Avoid Auto-boxing/Unboxing Operations Bad Practice: This approach can lead to hard-to-trace NPEs // Anti-pattern public static int process(Integer value) { return value; // Potential NPE during unboxing } Good Practice: Maintain consistent parameter types // Recommended approach public static Integ...
TCP Socket Interaction and the Read Operation After a TCP connection is established via the three-way handshake, data transmission begins. For the server, once accept() completes, the socket is ready and the process typically calls read(). This read() call is blocking, meaning the server process wil...
Object Serialization and Deserialization Writing objects to a stream using ObjectOutputStream is called serialization. Reading objects from a stream using ObjectInputStream is called deserialization. Creating a Serializable Class To serialize an object, the class must implement the Serializable inte...
Overview Integrating external services through HTTP APIs is a routine task in enterprise Java development. This article covers practical approaches for consuming third-party REST endpoints, from low-level connection handling to high-level abstraction frameworks. API Consumption Workflow Successful A...
Reading Application Configurations In a Spring Boot project, the src/main/resources directory serves as the primary location for configuration files. The framework natively supports application.properties and application.yml. Using YAML allows for a more readable, hierarchical structure for custom p...
The Adapter Pattern is a structural design pattern that allows objects with incompatible interfaces to collaborate. While the classic pattern typically involves class adapters, object adapters, or interface adapters, this article explores a more generalized approach: a central adapter that manages a...
Classes and Objects Class Fundamentals A class serves as a blueprint defining common attributes and behaviors for a group of related objects. A object is a concrete instance created from that blueprint. In Java, the development workflow typically follows this pattern: Define the class structure firs...
Transmitting Objects Over Sockets Transmitting raw object data over network sockets is a common requirement in distributed Java applications. If you attempt to send an object that does not implement a specific marker interface, the JVM will throw a runtime exception indicating that the object is not...