package test open class Test() { public open fun hashCode(): Int { return System.identityHashCode(this) } public open fun equals(o: Any?): Boolean { return this.identityEquals(o) } protected open fun clone(): Any? { return super.clone() } public open fun toString(): String? { return getJavaClass.getName() + '@' + Integer.toHexString(hashCode()) } protected open fun finalize() { super.finalize() } }