Added in API level 1

Number

abstract class Number : Serializable
kotlin.Any
   ↳ java.lang.Number

The abstract class Number is the superclass of platform classes representing numeric values that are convertible to the primitive types byte, double, float, int, long, and short. The specific semantics of the conversion from the numeric value of a particular Number implementation to a given primitive type is defined by the Number implementation in question. For platform classes, the conversion is often analogous to a narrowing primitive conversion or a widening primitive conversion as defined in The Java Language Specification for converting between primitive types. Therefore, conversions may lose information about the overall magnitude of a numeric value, may lose precision, and may even return a result of a different sign than the input. See the documentation of a given Number implementation for conversion details.

Summary

Public constructors

Constructor for subclasses to call.

Public methods
open Byte

Returns the value of the specified number as a byte.

abstract Double

Returns the value of the specified number as a double.

abstract Float

Returns the value of the specified number as a float.

abstract Int

Returns the value of the specified number as an int.

abstract Long

Returns the value of the specified number as a long.

open Short

Returns the value of the specified number as a short.

Public constructors

Number

Added in API level 1
Number()

Constructor for subclasses to call.

Public methods

byteValue

Added in API level 1
open fun byteValue(): Byte

Returns the value of the specified number as a byte.

Return
Byte the numeric value represented by this object after conversion to type byte.

doubleValue

Added in API level 1
abstract fun doubleValue(): Double

Returns the value of the specified number as a double.

Return
Double the numeric value represented by this object after conversion to type double.

floatValue

Added in API level 1
abstract fun floatValue(): Float

Returns the value of the specified number as a float.

Return
Float the numeric value represented by this object after conversion to type float.

intValue

Added in API level 1
abstract fun intValue(): Int

Returns the value of the specified number as an int.

Return
Int the numeric value represented by this object after conversion to type int.

longValue

Added in API level 1
abstract fun longValue(): Long

Returns the value of the specified number as a long.

Return
Long the numeric value represented by this object after conversion to type long.

shortValue

Added in API level 1
open fun shortValue(): Short

Returns the value of the specified number as a short.

Return
Short the numeric value represented by this object after conversion to type short.