Software Engineer

Sabeer Waqas

artículos publicados

Artículos de Sabeer Waqas

How Java’s Enhanced for Loop Works with Collections

Learn how Java’s enhanced for loop works behind the scenes through Iterable and Iterator, why directly modifying a collection during iteration can cause ConcurrentModificationException, and which approaches to use instead.

12 min de lectura

Sabeer Waqas

H

Java

How Tomcat Handles Multiple Requests in Spring Boot: Threads, Connections, and Performance

Learn how Apache Tomcat handles multiple simultaneous requests in a Spring Boot application, from the HTTP connector and worker thread pool to shared singleton beans and thread safety. This guide explains the differences between maxThreads, maxConnections, and acceptCount, why timeouts and request size limits matter, and how keep-alive, NIO, and HTTP/2 fit in, along with practical lessons for diagnosing slow APIs and tuning performance based on evidence.

8 min de lectura

Sabeer Waqas