java.lang.Object
- java.lang.Number
- - org.apache.commons.lang.mutable.MutableByte

All Implemented Interfaces:

Serializable, Comparable, Mutable
```
public class MutableByte
extends Number
implements Comparable, Mutable
```
A mutable byte wrapper.

Since:

2.1

Version:

$Id: MutableByte.java 905707 2010-02-02 16:59:59Z niallp $

See Also:

Byte, Serialized Form

Constructor Summary

Constructors
Constructor	Description
`MutableByte()`	Constructs a new MutableByte with the default value of zero.
`MutableByte(byte value)`	Constructs a new MutableByte with the specified value.
`MutableByte(Number value)`	Constructs a new MutableByte with the specified value.
`MutableByte(String value)`	Constructs a new MutableByte parsing the given string.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(byte operand)`	Adds a value to the value of this instance.
`void`	`add(Number operand)`	Adds a value to the value of this instance.
`byte`	`byteValue()`	Returns the value of this MutableByte as a byte.
`int`	`compareTo(Object obj)`	Compares this mutable to another in ascending order.
`void`	`decrement()`	Decrements the value.
`double`	`doubleValue()`	Returns the value of this MutableByte as a double.
`boolean`	`equals(Object obj)`	Compares this object to the specified object.
`float`	`floatValue()`	Returns the value of this MutableByte as a float.
`Object`	`getValue()`	Gets the value as a Byte instance.
`int`	`hashCode()`	Returns a suitable hash code for this mutable.
`void`	`increment()`	Increments the value.
`int`	`intValue()`	Returns the value of this MutableByte as an int.
`long`	`longValue()`	Returns the value of this MutableByte as a long.
`void`	`setValue(byte value)`	Sets the value.
`void`	`setValue(Object value)`	Sets the value from any Number instance.
`void`	`subtract(byte operand)`	Subtracts a value from the value of this instance.
`void`	`subtract(Number operand)`	Subtracts a value from the value of this instance.
`Byte`	`toByte()`	Gets this mutable as an instance of Byte.
`String`	`toString()`	Returns the String value of this mutable.

Methods inherited from class java.lang.Number
shortValue

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - MutableByte
```
public MutableByte()
```
    Constructs a new MutableByte with the default value of zero.
  - MutableByte
```
public MutableByte(byte value)
```
    Constructs a new MutableByte with the specified value.
    
    Parameters:
    
    value - the initial value to store
  - MutableByte
```
public MutableByte(Number value)
```
    Constructs a new MutableByte with the specified value.
    
    Parameters:
    
    value - the initial value to store, not null
    
    Throws:
    
    NullPointerException - if the object is null
  - MutableByte
```
public MutableByte(String value)
            throws NumberFormatException
```
    Constructs a new MutableByte parsing the given string.
    
    Parameters:
    
    value - the string to parse, not null
    
    Throws:
    
    NumberFormatException - if the string cannot be parsed into a byte
    
    Since:
    
    2.5
- Method Detail
  - getValue
```
public Object getValue()
```
    Gets the value as a Byte instance.
    
    Specified by:
    
    getValue in interface Mutable
    
    Returns:
    
    the value as a Byte, never null
  - setValue
```
public void setValue(byte value)
```
    Sets the value.
    
    Parameters:
    
    value - the value to set
  - setValue
```
public void setValue(Object value)
```
    Sets the value from any Number instance.
    
    Specified by:
    
    setValue in interface Mutable
    
    Parameters:
    
    value - the value to set, not null
    
    Throws:
    
    NullPointerException - if the object is null
    
    ClassCastException - if the type is not a Number
  - increment
```
public void increment()
```
    Increments the value.
    
    Since:
    
    Commons Lang 2.2
  - decrement
```
public void decrement()
```
    Decrements the value.
    
    Since:
    
    Commons Lang 2.2
  - add
```
public void add(byte operand)
```
    Adds a value to the value of this instance.
    
    Parameters:
    
    operand - the value to add, not null
    
    Since:
    
    Commons Lang 2.2
  - add
```
public void add(Number operand)
```
    Adds a value to the value of this instance.
    
    Parameters:
    
    operand - the value to add, not null
    
    Throws:
    
    NullPointerException - if the object is null
    
    Since:
    
    Commons Lang 2.2
  - subtract
```
public void subtract(byte operand)
```
    Subtracts a value from the value of this instance.
    
    Parameters:
    
    operand - the value to subtract, not null
    
    Since:
    
    Commons Lang 2.2
  - subtract
```
public void subtract(Number operand)
```
    Subtracts a value from the value of this instance.
    
    Parameters:
    
    operand - the value to subtract, not null
    
    Throws:
    
    NullPointerException - if the object is null
    
    Since:
    
    Commons Lang 2.2
  - byteValue
```
public byte byteValue()
```
    Returns the value of this MutableByte as a byte.
    
    Overrides:
    
    byteValue in class Number
    
    Returns:
    
    the numeric value represented by this object after conversion to type byte.
  - intValue
```
public int intValue()
```
    Returns the value of this MutableByte as an int.
    
    Specified by:
    
    intValue in class Number
    
    Returns:
    
    the numeric value represented by this object after conversion to type int.
  - longValue
```
public long longValue()
```
    Returns the value of this MutableByte as a long.
    
    Specified by:
    
    longValue in class Number
    
    Returns:
    
    the numeric value represented by this object after conversion to type long.
  - floatValue
```
public float floatValue()
```
    Returns the value of this MutableByte as a float.
    
    Specified by:
    
    floatValue in class Number
    
    Returns:
    
    the numeric value represented by this object after conversion to type float.
  - doubleValue
```
public double doubleValue()
```
    Returns the value of this MutableByte as a double.
    
    Specified by:
    
    doubleValue in class Number
    
    Returns:
    
    the numeric value represented by this object after conversion to type double.
  - toByte
```
public Byte toByte()
```
    Gets this mutable as an instance of Byte.
    
    Returns:
    
    a Byte instance containing the value from this mutable
  - equals
```
public boolean equals(Object obj)
```
    Compares this object to the specified object. The result is true if and only if the argument is not null and is a MutableByte object that contains the same byte value as this object.
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    
    obj - the object to compare with, null returns false
    
    Returns:
    
    true if the objects are the same; false otherwise.
  - hashCode
```
public int hashCode()
```
    Returns a suitable hash code for this mutable.
    
    Overrides:
    
    hashCode in class Object
    
    Returns:
    
    a suitable hash code
  - compareTo
```
public int compareTo(Object obj)
```
    Compares this mutable to another in ascending order.
    
    Specified by:
    
    compareTo in interface Comparable
    
    Parameters:
    
    obj - the other mutable to compare to, not null
    
    Returns:
    
    negative if this is less, zero if equal, positive if greater
    
    Throws:
    
    ClassCastException - if the argument is not a MutableByte
  - toString
```
public String toString()
```
    Returns the String value of this mutable.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    the mutable value as a string

Class MutableByte

Constructor Summary

Method Summary

Methods inherited from class java.lang.Number

Methods inherited from class java.lang.Object

Constructor Detail

MutableByte

MutableByte

MutableByte

MutableByte

Method Detail

getValue

setValue

setValue

increment

decrement

add

add

subtract

subtract

byteValue

intValue

longValue

floatValue

doubleValue

toByte

equals

hashCode

compareTo

toString