public class MutableInt extends java.lang.Number implements java.lang.Comparable, Mutable
int
wrapper.Integer
,
Serialized FormConstructor and Description |
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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(java.lang.Number value)
Constructs a new MutableInt with the specified value.
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MutableInt(java.lang.String value)
Constructs a new MutableInt parsing the given string.
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Modifier and Type | Method and Description |
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void |
add(int operand)
Adds a value to the value of this instance.
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void |
add(java.lang.Number operand)
Adds a value to the value of this instance.
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int |
compareTo(java.lang.Object obj)
Compares this mutable to another in ascending order.
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void |
decrement()
Decrements the value.
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double |
doubleValue()
Returns the value of this MutableInt as a double.
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boolean |
equals(java.lang.Object obj)
Compares this object to the specified object.
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float |
floatValue()
Returns the value of this MutableInt as a float.
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java.lang.Object |
getValue()
Gets the value as a Integer instance.
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int |
hashCode()
Returns a suitable hash code for this mutable.
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void |
increment()
Increments the value.
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int |
intValue()
Returns the value of this MutableInt as an int.
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long |
longValue()
Returns the value of this MutableInt as a long.
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void |
setValue(int value)
Sets the value.
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void |
setValue(java.lang.Object value)
Sets the value from any Number instance.
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void |
subtract(int operand)
Subtracts a value from the value of this instance.
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void |
subtract(java.lang.Number operand)
Subtracts a value from the value of this instance.
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java.lang.Integer |
toInteger()
Gets this mutable as an instance of Integer.
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java.lang.String |
toString()
Returns the String value of this mutable.
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public MutableInt()
public MutableInt(int value)
value
- the initial value to storepublic MutableInt(java.lang.Number value)
value
- the initial value to store, not nulljava.lang.NullPointerException
- if the object is nullpublic MutableInt(java.lang.String value) throws java.lang.NumberFormatException
value
- the string to parse, not nulljava.lang.NumberFormatException
- if the string cannot be parsed into an intpublic java.lang.Object getValue()
public void setValue(int value)
value
- the value to setpublic void setValue(java.lang.Object value)
public void increment()
public void decrement()
public void add(int operand)
operand
- the value to add, not nullpublic void add(java.lang.Number operand)
operand
- the value to add, not nulljava.lang.NullPointerException
- if the object is nullpublic void subtract(int operand)
operand
- the value to subtract, not nullpublic void subtract(java.lang.Number operand)
operand
- the value to subtract, not nulljava.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 a MutableInt
object that contains the same int
value
as this object.equals
in class java.lang.Object
obj
- the object to compare with, null returns falsetrue
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 other mutable to compare to, not nulljava.lang.ClassCastException
- if the argument is not a MutableIntpublic java.lang.String toString()
toString
in class java.lang.Object
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