const http = require('http'); const server = http.createServer((req, res) => res.writeHead(200, 'Content-Type':'text/plain'); res.end('Hello World\n'); ); server.listen(3000);

Unlike web development books that focus only on coding (HTML/CSS/JS), Rajkamal’s text bridges the gap between theoretical networking and practical web implementation. It covers everything from OSI models to session tracking in servlets.