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方法引用静态方法引用特定对象的实例方法引用特定类型任意对象实例方法引用构造方法引用总结为什么有要方法引用，下面是官网文档（链接: 官网方法引用）的说法Method ReferencesYou use lambda expressions to create anonymous methods. Sometimes, however, a lambda expression does nothing but call an existing method. In those cases, it’s o

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