trait T {
    val a1: Byte
    val a2: Short
    val a3: Int
    val a4: Long
    val a5: Float
    val a6: Double
    val a7: Char
    val a8: Boolean
}

class C : T {
    override val a1: Byte = 0
    override val a2: Short = 0
    override val a3: Int = 0
    override val a4: Long = 0
    override val a5: Float = 0.0f
    override val a6: Double = 0.0
    override val a7: Char = '\u0000'
    override val a8: Boolean = false
}