Class java.lang.Double
All Packages This Package Previous Next
Class java.lang.Double
java.lang.Object
|
+----java.lang.Number
|
+----java.lang.Double
-
public final class
Double
-
extends Number
The Double class is a wrapper for double values.
-
Version:
-
1.13, 31 Jan 1995
-
Author:
-
Lee Boynton,
Arthur van Hoff
-
MAX_VALUE
-
The minimum value a double can have.
-
MIN_VALUE
-
The maximum value a double can have.
-
Double(double)
-
Constructs a wrapper for the given double value.
-
doubleValue()
-
Returns the double value.
-
equals(Object)
-
Compares this object against some other object.
-
floatValue()
-
Returns the float value.
-
hashCode()
-
Returns a hashcode for this double.
-
intValue()
-
Returns the integer value of this double (by casting to an int).
-
longValue()
-
Returns the long value of this double (by casting to a long).
-
toString()
-
Returns a string representation of this Double object.
-
valueOf(String)
-
Returns the double that the string represents.
MAX_VALUE
public final static double MAX_VALUE
-
The minimum value a double can have.
MIN_VALUE
public final static double MIN_VALUE
-
The maximum value a double can have.
Double
public Double(double value)
-
Constructs a wrapper for the given double value.
-
Parameters:
-
value
-
the value of the Double
toString
public String toString()
-
Returns a string representation of this Double object.
-
Overrides:
-
toString in class Object
intValue
public int intValue()
-
Returns the integer value of this double (by casting to an int).
-
Overrides:
-
intValue in class Number
longValue
public long longValue()
-
Returns the long value of this double (by casting to a long).
-
Overrides:
-
longValue in class Number
floatValue
public float floatValue()
-
Returns the float value.
-
Overrides:
-
floatValue in class Number
doubleValue
public double doubleValue()
-
Returns the double value.
-
Overrides:
-
doubleValue in class Number
hashCode
public int hashCode()
-
Returns a hashcode for this double.
-
Overrides:
-
hashCode in class Object
equals
public boolean equals(Object obj)
-
Compares this object against some other object.
-
Parameters:
-
obj
-
the object to compare with
-
Returns:
-
true if the object is the same
-
Overrides:
-
equals in class Object
valueOf
public static Double valueOf(String s)
-
Returns the double that the string represents.
-
Parameters:
-
s
-
the string to be parsed
-
Returns:
-
the value of the string
-
Throws: NumberFormatException
-
The string cannot be parsed.
All Packages This Package Previous Next