The system offers a complete solution for managing matchmaking-related activities, including wedding company listings, booking and favoriting, marriage case studies with bookmarking, user profiles, matchmaking interactions such as messages and favorites, and administrative tools. It is implemented w...
Technical Architecture Backend Framework: Spring Boot Spring Boot simplifies the development of production-ready Spring applications through convention-over-configuration principles. It eliminates boilerplate code through auto-configuration while maintaining Spring's core functionality. The framewor...
When a single codebase contains multiple standalone applications, each with its own entry point, the build process must generate separate executable artifacts. Consider a project containing both a command-line utility and a network service. Define the entry points in separate packages to maintain cl...
Maven Dependency Add the following dependency to your pom.xml file: <dependency> <groupId>tk.mybatis</groupId> <artifactId>mapper-spring-boot-starter</artifactId> <version>2.1.5</version> </dependency> Defining Mapper Interfaces Create mapper interface...
Core Concepts JDBC (Java Database Connectivity) is a standardized Java API for interacting with relational databases. Database vendors provide JDBC-compliant drivers—typically distributed as JAR files—that implement this interface. To connect to a specific database, the corresponding driver must be...
Thread pools often require dynamic parameter adjustments as business workloads fluctuate. A fixed configuration may work initially but eventually leads to saturated queues and rejected tasks. One common monitoring strategy triggers alerts when queue usage exceeds 80%, prompting engineers to adjust p...
System Overview Modern society advances rapidly, and computer applications for data management have become quite sophisticated. With the rise of mobile internet, information processing no longer depends on geographical constraints, offering timely and efficient solutions that are widely appreciated....
BCP 47 Extensions in JavaSince Java SE 7, the Locale class adheres to IETF BCP 47 standards, allowing the addition of extensions to locale identifiers. While extensions are represented by single-character keys, specific keys are reserved for standard use. The Unicode locale extension is denoted by t...
1. Overview ReentrantReadWriteLock utilizes a single AQS synchronizer. The internal state (an integer state) is divided: the lower 16 bits track the exclusive writer lock hold count, while the upper 16 bits track the shared reader lock count. Two synchronizer implementations exist: NonfairSync and F...
Identifying Port Usage in Java Applications When a Java application fails to start due to a port conflict, it is necessary to identify wich process is occupying that port. This can be done using built-in Windows command-line tools or third-party applications. Using Command-Line Tools The netstat com...