目录一、Java8 Stream API二、传统方式三、总结在 Java 中,将List转换为Map是常见操作,通常需要指定Map的键(Key)和值(Value),常用工具类有Java 8 Stream API
How do you get th开发者_如何学编程e default value of an Android preference defined in XML? I don\'t want to repeat the definition of the default value in both the code and the preferences XML.You can