cn.hutool.core.lang.mutable

Class MutableLong

java.lang.Object

java.lang.Number

cn.hutool.core.lang.mutable.MutableLong

All Implemented Interfaces:

Mutable<Number>, Serializable, Comparable<MutableLong>

public class MutableLong
extends Number
implements Comparable<MutableLong>, Mutable<Number>

可变 long 类型

Since:

3.0.1

See Also:

Long, Serialized Form

Constructor Summary

Constructors

Constructor and Description
MutableLong() 构造，默认值0
MutableLong(long value) 构造
MutableLong(Number value) 构造
MutableLong(String value) 构造

Method Summary

Modifier and Type	Method and Description
MutableLong	add(long operand) 增加值
MutableLong	add(Number operand) 增加值
int	compareTo(MutableLong other) 比较
MutableLong	decrement() 值减一
double	doubleValue()
boolean	equals(Object obj) 相等需同时满足如下条件： 非空 类型为 MutableLong 值相等
float	floatValue()
Long	get() 获得原始值
int	hashCode()
MutableLong	increment() 值+1
int	intValue()
long	longValue()
void	set(long value) 设置值
void	set(Number value) 设置值
MutableLong	subtract(long operand) 减去值
MutableLong	subtract(Number operand) 减去值
String	toString()

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

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

Constructor Detail

MutableLong

public MutableLong()

构造，默认值0

MutableLong

public MutableLong(long value)

构造

Parameters:

value - 值

MutableLong

public MutableLong(Number value)

构造

Parameters:

value - 值

MutableLong

public MutableLong(String value)
            throws NumberFormatException

构造

Parameters:

value - String值

Throws:

NumberFormatException - 数字转换错误

Method Detail

get

public Long get()

Description copied from interface: Mutable

获得原始值

Specified by:

get in interface Mutable<Number>

Returns:

原始值

set

public void set(long value)

设置值

Parameters:

value - 值

set

public void set(Number value)

Description copied from interface: Mutable

设置值

Specified by:

set in interface Mutable<Number>

Parameters:

value - 值

increment

public MutableLong increment()

值+1

Returns:

this

decrement

public MutableLong decrement()

值减一

Returns:

this

add

public MutableLong add(long operand)

增加值

Parameters:

operand - 被增加的值

Returns:

this

add

public MutableLong add(Number operand)

增加值

Parameters:

operand - 被增加的值，非空

Returns:

this

Throws:

NullPointerException - if the object is null

subtract

public MutableLong subtract(long operand)

减去值

Parameters:

operand - 被减的值

Returns:

this

subtract

public MutableLong subtract(Number operand)

减去值

Parameters:

operand - 被减的值，非空

Returns:

this

Throws:

NullPointerException - if the object is null

intValue

public int intValue()

Specified by:

intValue in class Number

longValue

public long longValue()

Specified by:

longValue in class Number

floatValue

public float floatValue()

Specified by:

floatValue in class Number

doubleValue

public double doubleValue()

Specified by:

doubleValue in class Number

equals

public boolean equals(Object obj)

相等需同时满足如下条件：

1. 非空
2. 类型为 MutableLong
3. 值相等

Overrides:

equals in class Object

Parameters:

obj - 比对的对象

Returns:

相同返回true，否则 false

hashCode

public int hashCode()

Overrides:

hashCode in class Object

compareTo

public int compareTo(MutableLong other)

比较

Specified by:

compareTo in interface Comparable<MutableLong>

Parameters:

other - 其它 MutableLong 对象

Returns:

x==y返回0，x<y返回-1，x>y返回1

toString

public String toString()

Overrides:

toString in class Object