Java org.apache.commons.lang3.math NumberUtils fields, constructors, methods, implement or subclass

Introduction

In this page you can find the methods, fields and constructors for org.apache.commons.lang3.math NumberUtils.

The text is from its open source code.

Subclass

org.apache.commons.lang3.math.NumberUtils has subclasses.
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Field

Long	LONG_ZERO Reusable Long constant for zero.
Long	LONG_ONE Reusable Long constant for one.
Integer	INTEGER_ZERO Reusable Integer constant for zero.
Integer	INTEGER_ONE Reusable Integer constant for one.
Short	SHORT_ZERO Reusable Short constant for zero.
Byte	BYTE_ZERO Reusable Byte constant for zero.

Method

BigDecimal	createBigDecimal(final String str) Convert a `String` to a `BigDecimal`. Returns `null` if the string is `null`.
Double	createDouble(final String str) Convert a `String` to a `Double`. Returns `null` if the string is `null`.
Float	createFloat(final String str) Convert a `String` to a `Float`. Returns `null` if the string is `null`.
Integer	createInteger(final String str) Convert a `String` to a `Integer`, handling hex (0xhhhh) and octal (0dddd) notations.
Long	createLong(final String str) Convert a `String` to a `Long`; since 3.1 it handles hex (0Xhhhh) and octal (0ddd) notations.
Number	createNumber(final String str) Turns a string value into a java.lang.Number. If the string starts with 0x or -0x (lower or upper case) or # or -# , it will be interpreted as a hexadecimal Integer - or Long, if the number of digits after the prefix is more than 8 - or BigInteger if there are more than 16 digits.
boolean	isDigits(final String str) Checks whether the `String` contains only digit characters. `Null` and empty String will return `false`.
boolean	isNumber(final String str) Checks whether the String a valid Java number. Valid numbers include hexadecimal marked with the `0x` or `0X` qualifier, octal numbers, scientific notation and numbers marked with a type qualifier (e.g.
boolean	isParsable(final String str) Checks whether the given String is a parsable number. Parsable numbers include those Strings understood by Integer#parseInt(String) , Long#parseLong(String) , Float#parseFloat(String) or Double#parseDouble(String) .
long	max(final long... array) Returns the maximum value in an array.
int	max(final int... array) Returns the maximum value in an array.
short	max(final short... array) Returns the maximum value in an array.
byte	max(final byte... array) Returns the maximum value in an array.
double	max(final double... array) Returns the maximum value in an array.
float	max(final float... array) Returns the maximum value in an array.
long	max(long a, final long b, final long c) Gets the maximum of three `long` values.
int	max(int a, final int b, final int c) Gets the maximum of three `int` values.
short	max(short a, final short b, final short c) Gets the maximum of three `short` values.
byte	max(byte a, final byte b, final byte c) Gets the maximum of three `byte` values.
double	max(final double a, final double b, final double c) Gets the maximum of three `double` values. If any value is `NaN`, `NaN` is returned.
float	max(final float a, final float b, final float c) Gets the maximum of three `float` values. If any value is `NaN`, `NaN` is returned.
long	min(long a, final long b, final long c) Gets the minimum of three `long` values.
int	min(int a, final int b, final int c) Gets the minimum of three `int` values.
short	min(short a, final short b, final short c) Gets the minimum of three `short` values.
byte	min(byte a, final byte b, final byte c) Gets the minimum of three `byte` values.
double	min(final double a, final double b, final double c) Gets the minimum of three `double` values. If any value is `NaN`, `NaN` is returned.
float	min(final float a, final float b, final float c) Gets the minimum of three `float` values. If any value is `NaN`, `NaN` is returned.
long	min(final long... array) Returns the minimum value in an array.
int	min(final int... array) Returns the minimum value in an array.
short	min(final short... array) Returns the minimum value in an array.
byte	min(final byte... array) Returns the minimum value in an array.
double	min(final double... array) Returns the minimum value in an array.
float	min(final float... array) Returns the minimum value in an array.
byte	toByte(final String str) Convert a `String` to a `byte`, returning `zero` if the conversion fails. If the string is `null`, `zero` is returned. NumberUtils.toByte(null) = 0 NumberUtils.toByte("") = 0 NumberUtils.toByte("1") = 1
double	toDouble(final String str) Convert a `String` to a `double`, returning `0.0d` if the conversion fails. If the string `str` is `null`, `0.0d` is returned. NumberUtils.toDouble(null) = 0.0d NumberUtils.toDouble("") = 0.0d NumberUtils.toDouble("1.5") = 1.5d
double	toDouble(final String str, final double defaultValue) Convert a `String` to a `double`, returning a default value if the conversion fails. If the string `str` is `null`, the default value is returned. NumberUtils.toDouble(null, 1.1d) = 1.1d NumberUtils.toDouble("", 1.1d) = 1.1d NumberUtils.toDouble("1.5", 0.0d) = 1.5d
float	toFloat(final String str) Convert a `String` to a `float`, returning `0.0f` if the conversion fails. If the string `str` is `null`, `0.0f` is returned. NumberUtils.toFloat(null) = 0.0f NumberUtils.toFloat("") = 0.0f NumberUtils.toFloat("1.5") = 1.5f
float	toFloat(final String str, final float defaultValue) Convert a `String` to a `float`, returning a default value if the conversion fails. If the string `str` is `null`, the default value is returned. NumberUtils.toFloat(null, 1.1f) = 1.0f NumberUtils.toFloat("", 1.1f) = 1.1f NumberUtils.toFloat("1.5", 0.0f) = 1.5f
int	toInt(final String str, final int defaultValue) Convert a `String` to an `int`, returning a default value if the conversion fails. If the string is `null`, the default value is returned. NumberUtils.toInt(null, 1) = 1 NumberUtils.toInt("", 1) = 1 NumberUtils.toInt("1", 0) = 1
int	toInt(final String str) Convert a `String` to an `int`, returning `zero` if the conversion fails. If the string is `null`, `zero` is returned. NumberUtils.toInt(null) = 0 NumberUtils.toInt("") = 0 NumberUtils.toInt("1") = 1
long	toLong(final String str, final long defaultValue) Convert a `String` to a `long`, returning a default value if the conversion fails. If the string is `null`, the default value is returned. NumberUtils.toLong(null, 1L) = 1L NumberUtils.toLong("", 1L) = 1L NumberUtils.toLong("1", 0L) = 1L
long	toLong(final String str) Convert a `String` to a `long`, returning `zero` if the conversion fails. If the string is `null`, `zero` is returned. NumberUtils.toLong(null) = 0L NumberUtils.toLong("") = 0L NumberUtils.toLong("1") = 1L
short	toShort(final String str) Convert a `String` to a `short`, returning `zero` if the conversion fails. If the string is `null`, `zero` is returned. NumberUtils.toShort(null) = 0 NumberUtils.toShort("") = 0 NumberUtils.toShort("1") = 1
short	toShort(final String str, final short defaultValue) Convert a `String` to an `short`, returning a default value if the conversion fails. If the string is `null`, the default value is returned. NumberUtils.toShort(null, 1) = 1 NumberUtils.toShort("", 1) = 1 NumberUtils.toShort("1", 0) = 1