目录一、为什么需要“函数作为参数”?1.1 传统方式的问题(代码冗余)1.2 “函数作为参数”的优势二、Java中函数传递的核心:函数式接口2.1 函数式接口的定义2.2 通过“接口实现类”
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