Uses of Class
java.lang.Number

Packages that use Number

java.lang	Provides classes that are fundamental to the design of the Java programming language.
java.math
java.text	Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.

Uses of Number in java.lang

Subclasses of Number in java.lang

class	Byte The Byte class is the standard wrapper for byte values.
class	Double The Double class wraps a value of the primitive type double in an object.
class	Float The Float class wraps a value of primitive type float in an object.
class	Integer The Integer class wraps a value of the primitive type int in an object.
class	Long The Long class wraps a value of the primitive type long in an object.
class	Short The Short class is the standard wrapper for short values.

Uses of Number in java.math

Subclasses of Number in java.math

class

BigInteger Immutable arbitrary-precision integers.

Uses of Number in java.text

Methods in java.text that return Number

abstract Number	NumberFormat.parse(String text, ParsePosition parsePosition) Returns a Long if possible (e.g., within the range [Long.MIN_VALUE, Long.MAX_VALUE] and with no decimals), otherwise a Double.
Number	NumberFormat.parse(String text) Convenience method.
Number	ChoiceFormat.parse(String text, ParsePosition status) Parses a Number from the input text.
Number	DecimalFormat.parse(String text, ParsePosition parsePosition) Returns an instance of Number with a value matching the given string.