有关java的精选大全
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Java单实例模式主要作用是保证在Java应用程序中，一个类Class只有一个实例存在，在很多操作中，比如建立目录、数据库连接等都需要这样的单线程操作。使用Singleton的好处还在于可以节省内存，因为它限制了实例的个数，有利于Ja...
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开发步骤：1、需求分析。此步骤主要是为了明确需求；2、需求确定。此步骤主要是为了确认有哪些需求，形成需求说明书；3、代码开发。此部分主要是完成数据库设计，代码开发，功能实现；4、代码测试。此步骤主要是为了进行代码的调试...
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java后端开发需要掌握的方面有如下这些：1、第一：分布式开发。随着互联网服务的规模越来越大，在服务端采用分布式的开发方式已经是比较常见的解决方案了，Java在分布式开发领域也有比较多的成熟方案。早期从事Java的分布式...
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