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1. Introduction When crawling web pages, especially for websites with high frequency requests or restricted access, using proxy IP can significantly improve crawling efficiency and success rate. As a widely used programming language, Java's rich network library makes integrating proxy IP relatively simple. This article will explain in detail how to set up and use proxy IP in Java for web crawling, provide practical code examples, and briefly mention the 98IP proxy service. 2. Basic concepts and preparations 2.1 Basic knowledge of proxy IP Proxy IP is a network service that hides the client's true IP address by forwarding client requests to a target server through an intermediary server (proxy server). In web crawling, proxy IP can effectively avoid being targeted due to frequent visits.
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