val point = if (score > 7) 1 else 0.5 val result = point * 100 } private void sample2() { int score = new Random().nextInt(10); double point = (score > 7) ? 1 : 0.5; double result = point * 100; } ʲݪҼʳ Javaʹ͓͍ͯ int ⊂ double ͕ͩͬͨɼKotlinͰಠཱͳͷͰɼ ʮฦΓ͕Int·ͨDoubleʯˠʮฦΓDoubleͰ·ͱΊ͓ͯ͜͏ʯਪ͕ߦΘΕͳ͍ͨΊɻ KotlinͰΉ͠Ζɼ ʮฦΓ͕Int·ͨDoubleʯˠʢܧঝؔͷͳ͍ܕΛҰॹʹฦͯ͘͠ΔͳΑʣ →ʮฦΓAnyͰ·ͱΊ͓ͯ͜͏ʯ ͱͳΔɻ ɹɹɹɹɹɹɹŇŇoʢ `toDouble()` Λ͑ʣˠˠˠ < ifจͷฦΓͷܕ͕AnyʹͳͬͯΔͧʔ val point = if (score > 7) 1.toDouble() else 0.5 val result = point * 100