目录概述为什么叫控制反转Spring 中的 bean 的作用域基础概念对比有状态和无状态的bean基本概念对比Ioc 配置的三种方式XML 配置Java 配置注解配置依赖注入的三种方式setter方式构造方法注入基于注解（字段）的注入IO
I have an application that I am building that needs to modify a configuration file. My problem is that I am not able to read the file in line by line.I keep geeting the the entire file as a single st
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