小编Ash*_*med的帖子

val a: Int = 100
val boxedA: Int? = a
val anotherBoxedA: Int? = a

val b: Int = 10000
val boxedB: Int? = b
val anotherBoxedB: Int? = b

println(boxedA === anotherBoxedA) // true
println(boxedB === anotherBoxedB) // false

boexA === andotherBoxedA我不明白的是和之间有什么区别boexB === andotherBoxedB

更令人困惑的是，当更改 b t0 100 时，输出为 true true

val a: Int = 100
val boxedA: Int? = a
val anotherBoxedA: Int? = a

val b: Int = 100
val boxedB: Int? = b
val …