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重温经典《Thinking in java》第四版之第二章一切都是对象（十二）

2.6到2.9小节主要介绍构建我们的完整的可以运行起来的Java程序的方法，以及我们的Java程序的结构和风格是如何的。主要还是将语法的问题，不是我们实践课的第一个hello world程序demo。“2.6.1 名字可见性”主要讲的是如何给我们的Java类起名字，这里面有一个包的概念，即我的类属于...

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问题描述Dataphin管道任务同步读取源表时，报错“java.sql.SQLException: ORA-08103: 对象不再存在”;源表是存在的。问题原因管道任务同步读取源表时，另一个用户在全量更新该源表，即有一个进程truncate，insert动作，而同时有另一进程对同一表做select动...

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