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java.lang.Object
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+--java.lang.Number
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+--org.apache.commons.lang.mutable.MutableInt
A mutable int wrapper.
Integer, Serialized Form| Constructor Summary | |
MutableInt()
Constructs a new MutableInt with the default value of zero. |
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MutableInt(int value)
Constructs a new MutableInt with the specified value. |
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MutableInt(Number value)
Constructs a new MutableInt with the specified value. |
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| Method Summary | |
void |
add(int operand)
Adds a value. |
void |
add(Number operand)
Adds a value. |
int |
compareTo(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(Object obj)
Compares this object to the specified object. |
float |
floatValue()
Returns the value of this MutableInt as a float. |
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(Object value)
Sets the value from any Number instance. |
void |
subtract(int operand)
Subtracts a value. |
void |
subtract(Number operand)
Subtracts a value. |
Integer |
toInteger()
Gets this mutable as an instance of Integer. |
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(Number value)
value - a value.NullPointerException - if the object is null| Method Detail |
public Object getValue()
getValue in interface Mutablepublic void setValue(int value)
value - the value to setpublic void setValue(Object value)
setValue in interface Mutablevalue - the value to setNullPointerException - if the object is nullClassCastException - if the type is not a Numberpublic void increment()
public void decrement()
public void add(int operand)
operand - the value to addpublic void add(Number operand)
operand - the value to addNullPointerException - if the object is nullpublic void subtract(int operand)
operand - the value to addpublic void subtract(Number operand)
operand - the value to addNullPointerException - if the object is nullpublic int intValue()
intValue in class Numberpublic long longValue()
longValue in class Numberpublic float floatValue()
floatValue in class Numberpublic double doubleValue()
doubleValue in class Numberpublic Integer toInteger()
public boolean equals(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 Objectobj - the object to compare with.true if the objects are the same; false otherwise.public int hashCode()
hashCode in class Objectpublic int compareTo(Object obj)
compareTo in interface Comparableobj - the mutable to compare toClassCastException - if the argument is not a MutableIntpublic String toString()
toString in class Object
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