程序包 com.xwl41.common.basic.helper

类 Decimal

java.lang.Object

java.lang.Number

com.xwl41.common.basic.helper.Decimal

所有已实现的接口:

Serializable, Comparable<Decimal>

public class Decimal
extends Number
implements Comparable<Decimal>

Java BigDecimal simple decorator for simplifying BigDecimal operations

另请参阅:

• 序列化表格

构造器概要

构造器

构造器	说明
Decimal()	no argument
Decimal(String value)	String argument
Decimal(BigDecimal value)	BigDecimal argument
Decimal(T t)	Number Type argument
Decimal(T t, int scale)	Number Type argument with scale setting
Decimal(T t, int scale, RoundingMode roundingMode)	Number Type argument with scale and rounding mode setting

方法概要

修饰符和类型	方法	说明
<T extends Number> Decimal	add(T t)	add
int	compareTo(Decimal o)
<T extends Number> Decimal	divide(T t)	divide
<T extends Number> Decimal	divide(T t, int scale)	divide with scale setting
<T extends Number> Decimal	divide(T t, int scale, RoundingMode roundingMode)	divide with scale and rounding mode setting
double	doubleValue()
boolean	equals(Object o)
float	floatValue()
BigDecimal	get()	get BigDecimal value from Decimal instance
int	hashCode()
int	intValue()
long	longValue()
<T extends Number> Decimal	multiply(T t)	multiply
static Decimal	newDecimal()
Decimal	setScale(int newScale)	set scale
Decimal	setScale(int newScale, RoundingMode roundingMode)	set scale and rounding mode
<T extends Number> Decimal	subtract(T subtrahend)	subtract
String	toString()

从类继承的方法 java.lang.Number

byteValue, shortValue

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

构造器详细资料

Decimal

public Decimal()

no argument

Decimal

public Decimal(String value)

String argument

参数:

value - number value in String format

Decimal

public Decimal(BigDecimal value)

BigDecimal argument

参数:

value - BigDecimal instance

Decimal

public Decimal(T t)

Number Type argument

类型参数:

T - subtype of Number

参数:

t - number value

Decimal

public Decimal(T t,
 int scale)

Number Type argument with scale setting

类型参数:

T - subtype of Number

参数:

t - number value

scale - scale for BigDecimal

Decimal

public Decimal(T t,
 int scale,
 RoundingMode roundingMode)

Number Type argument with scale and rounding mode setting

类型参数:

T - subtype of Number

参数:

t - number value

scale - scale for BigDecimal

roundingMode - rounding mode for BigDecimal

方法详细资料

add

public <T extends Number> Decimal add(T t)

add

类型参数:

T - subtype of Number

参数:

t - number value

返回:

Decimal instance

subtract

public <T extends Number> Decimal subtract(T subtrahend)

subtract

类型参数:

T - subtype of Number

参数:

subtrahend - number value

返回:

Decimal instance

multiply

public <T extends Number> Decimal multiply(T t)

multiply

类型参数:

T - subtype of Number

参数:

t - number value

返回:

Decimal instance

divide

public <T extends Number> Decimal divide(T t)

divide

类型参数:

T - subtype of Number

参数:

t - number value

返回:

Decimal instance

divide

public <T extends Number> Decimal divide(T t,
 int scale)

divide with scale setting

类型参数:

T - subtype of Number

参数:

t - number value

scale - scale of BigDecimal

返回:

Decimal instance

divide

public <T extends Number> Decimal divide(T t,
 int scale,
 RoundingMode roundingMode)

divide with scale and rounding mode setting

类型参数:

T - subtype of Number

参数:

t - number value

scale - scale of BigDecimal

roundingMode - rounding mode of BigDecimal

返回:

Decimal instance

get

public BigDecimal get()

get BigDecimal value from Decimal instance

返回:

BigDecimal instance

setScale

public Decimal setScale(int newScale)

set scale

参数:

newScale - new scale of BigDecimal

返回:

Decimal instance

setScale

public Decimal setScale(int newScale,
 RoundingMode roundingMode)

set scale and rounding mode

参数:

newScale - new scale of BigDecimal

roundingMode - rounding mode of BigDecimal

返回:

Decimal instance

newDecimal

public static Decimal newDecimal()

compareTo

public int compareTo(Decimal o)

指定者:

compareTo 在接口中 Comparable<Decimal>

intValue

public int intValue()

指定者:

intValue 在类中 Number

longValue

public long longValue()

指定者:

longValue 在类中 Number

floatValue

public float floatValue()

指定者:

floatValue 在类中 Number

doubleValue

public double doubleValue()

指定者:

doubleValue 在类中 Number

toString

public String toString()

覆盖:

toString 在类中 Object

equals

public boolean equals(Object o)

覆盖:

equals 在类中 Object

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Object