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...
CAS Mechanism Thread-safe implementations typically employ one of three approaches: Mutual exclusion synchronization: synchronized and ReentrantLock Non-blocking synchronization: CAS and AtomicXXXX Synchronization-free designs: thread-local storage, immutable objects This article focuses on the Comp...
Java Multithreading Method 1: Extending Thread Class Too create a thread by extending the Thread class, override the run() method and call start() to begin execution. public class CustomThread extends Thread { @Override public void run() { for (int i = 0; i < 20; i++) { System.out.println("E...
System Overview Modern industries rely on specialized software for daily operations, and internet technologies have become indispensable to global workforces. Existing exam and learning exchange management systems often suffer from non-standard operational workflows, low fault tolerance, and high ad...
Maven and JDK Version Compatibility Reference the Apache archive for downloading: https://archive.apache.org/dist/maven/ Maven versions have specific Java version requirements: Maven 2.0.11 and earlier support JDK 1.3 and JDK 1.4 Maven 2.0.11 and later support JDK 1.5 and above Maven 3.0+ requires J...
Learning SpringBoot Objectives: Understand the pros and cons of Spring Understand the features of SpringBoot Understand the core functionality of SpringBoot Set up the SpringBoot environment Configure application.properties Configure application.yml Integrate MyBatis with SpringBoot Integrate JUnit...