12345678 class Outer { private val bar: Int =1 class Nested { fun foo() = 2 }}val demo = Outer.Nested().foo() // =2 12345678 class Outer { private val bar: Int = 1 inner class Inner { fun foo() = bar }}val demo = Outer().Inner().foo()// ==1 匿名内部类 123 window.addMouseListener(object: MouseAdapter()) { override fun mouseClicked(e: MouseEvent) {...}} 赞微海报分享
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