import java.util.Arrays

data class A(val a: IntArray) {
    <caret>override fun equals(other: Any?): Boolean {
        if (this === other) return true
        if (other?.javaClass != javaClass) return false

        other as A

        if (!Arrays.equals(a, other.a)) return false

        return true
    }

    override fun hashCode(): Int {
        return Arrays.hashCode(a)
    }
}