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java.lang.Objectjava.lang.Number
org.apache.commons.lang.mutable.MutableInt
public class MutableInt
A mutable int
wrapper.
Integer
,
Serialized FormConstructor Summary | |
---|---|
MutableInt()
Constructs a new MutableInt with the default value of zero. |
|
MutableInt(int value)
Constructs a new MutableInt with the specified value. |
|
MutableInt(java.lang.Number value)
Constructs a new MutableInt with the specified value. |
Method Summary | |
---|---|
void |
add(int operand)
Adds a value. |
void |
add(java.lang.Number operand)
Adds a value. |
int |
compareTo(java.lang.Object obj)
Compares this mutable to another in ascending order. |
void |
decrement()
Decrements the value. |
double |
doubleValue()
Returns the value of this MutableInt as a double. |
boolean |
equals(java.lang.Object obj)
Compares this object to the specified object. |
float |
floatValue()
Returns the value of this MutableInt as a float. |
java.lang.Object |
getValue()
Gets the value as a Integer instance. |
int |
hashCode()
Returns a suitable hashcode for this mutable. |
void |
increment()
Increments the value. |
int |
intValue()
Returns the value of this MutableInt as a int. |
long |
longValue()
Returns the value of this MutableInt as a long. |
void |
setValue(int value)
Sets the value. |
void |
setValue(java.lang.Object value)
Sets the value from any Number instance. |
void |
subtract(int operand)
Subtracts a value. |
void |
subtract(java.lang.Number operand)
Subtracts a value. |
java.lang.Integer |
toInteger()
Gets this mutable as an instance of Integer. |
java.lang.String |
toString()
Returns the String value of this mutable. |
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 |
---|
public MutableInt()
public MutableInt(int value)
value
- a value.public MutableInt(java.lang.Number value)
value
- a value.
java.lang.NullPointerException
- if the object is nullMethod Detail |
---|
public java.lang.Object getValue()
getValue
in interface Mutable
public void setValue(int value)
value
- the value to setpublic void setValue(java.lang.Object value)
setValue
in interface Mutable
value
- the value to set
java.lang.NullPointerException
- if the object is null
java.lang.ClassCastException
- if the type is not a Number
public void increment()
public void decrement()
public void add(int operand)
operand
- the value to addpublic void add(java.lang.Number operand)
operand
- the value to add
java.lang.NullPointerException
- if the object is nullpublic void subtract(int operand)
operand
- the value to addpublic void subtract(java.lang.Number operand)
operand
- the value to add
java.lang.NullPointerException
- if the object is nullpublic int intValue()
intValue
in class java.lang.Number
public long longValue()
longValue
in class java.lang.Number
public float floatValue()
floatValue
in class java.lang.Number
public double doubleValue()
doubleValue
in class java.lang.Number
public java.lang.Integer toInteger()
public boolean equals(java.lang.Object obj)
true
if and only if the argument is
not null
and is an MutableInt
object that contains the same int
value
as this object.
equals
in class java.lang.Object
obj
- the object to compare with.
true
if the objects are the same; false
otherwise.public int hashCode()
hashCode
in class java.lang.Object
public int compareTo(java.lang.Object obj)
compareTo
in interface java.lang.Comparable
obj
- the mutable to compare to
java.lang.ClassCastException
- if the argument is not a MutableIntpublic java.lang.String toString()
toString
in class java.lang.Object
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