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程序开发语言和软件：Java，Eclipse/Idea 数据库：sqlserver 即时通讯（Instant Messaging）是目前Internet上最为流行的通讯方式，各种各样的即时通讯软件也层出不穷；服务提供商也提供了越来越丰富的通讯服务功能。Java是当前比较流行的开发语言之一，它有着自己的易 ...

Core Java – Daily Learning: A hands-on, daily-updated repository with practical Java programs on patterns, functions, arrays, OOP, and mini projects. Ideal for beginners and learners to practice, ...