{:?} gives the debug output. Types such as integers and strings implement the default output, but arrays only implement the debug output. This means that we must use debug output here. • #을 추가하면 ({a:# fixed-size arrays are supported, i.e. T[N] becomes [T; N]. Fixed-size arrays can have multiple dimensions (e.g. int[3][4]). In the Java backend, fixed-size arrays are represented as array types. • Arrays in parcelable

{:?} gives the debug output. Types such as integers and strings implement the default output, but arrays only implement the debug output. This means that we must use debug output here. • #을 추가하면 ({a:# fixed-size arrays are supported, i.e. T[N] becomes [T; N]. Fixed-size arrays can have multiple dimensions (e.g. int[3][4]). In the Java backend, fixed-size arrays are represented as array types. • Arrays in parcelable