JDK 9 adds a range of language and runtime enhancements—including a new module system, JShell REPL, upgraded Stream API, HTTP client, and internal changes to strings and exception handling—to improve modularity, performance, and developer productivity across Java applications.
This article presents the design, implementation, and future enhancements of the Ialert system, a Java‑based real‑time API monitoring solution that uses HttpClient, Quartz, and email alerts to provide 24/7 health checks, performance insights, and rapid fault detection across multiple data centers.
This article explains how to encapsulate Java HttpClient calls for GET and POST HTTP requests, provides utility methods for JSON response parsing, and demonstrates their use in automated API testing, offering a reusable backend solution for developers.
