import java.util.Arrays class A(val n: IntArray, val s: Array) { val f: Float = 1.0f fun foo() { } override fun equals(other: Any?): Boolean{ if (this === other) return true if (other?.javaClass != javaClass) return false other as A if (!Arrays.equals(n, other.n)) return false if (!Arrays.equals(s, other.s)) return false if (f != other.f) return false return true } override fun hashCode(): Int{ var result = Arrays.hashCode(n) result += 31 * result + Arrays.hashCode(s) result += 31 * result + f.hashCode() return result } }