Short
public
final
class
Short
extends Number
implements
Comparable<Short>
| java.lang.Object | ||
| ↳ | java.lang.Number | |
| ↳ | java.lang.Short | |
The Short class wraps a value of primitive type short in an object. An object of type Short contains a
single field whose type is short.
In addition, this class provides several methods for converting
a short to a String and a String to a
short, as well as other constants and methods useful when
dealing with a short.
See also:
Summary
Constants | |
|---|---|
int |
BYTES
The number of bytes used to represent a |
short |
MAX_VALUE
A constant holding the maximum value a |
short |
MIN_VALUE
A constant holding the minimum value a |
int |
SIZE
The number of bits used to represent a |
Fields | |
|---|---|
public
static
final
Class<Short> |
TYPE
The |
Public constructors | |
|---|---|
Short(String s)
This constructor is deprecated.
It is rarely appropriate to use this constructor.
Use |
|
Short(short value)
This constructor is deprecated.
It is rarely appropriate to use this constructor. The static factory
|
|
Public methods | |
|---|---|
byte
|
byteValue()
Returns the value of this |
static
int
|
compare(short x, short y)
Compares two |
int
|
compareTo(Short anotherShort)
Compares two |
static
int
|
compareUnsigned(short x, short y)
Compares two |
static
Short
|
decode(String nm)
Decodes a |
double
|
doubleValue()
Returns the value of this |
boolean
|
equals(Object obj)
Compares this object to the specified object. |
float
|
floatValue()
Returns the value of this |
static
int
|
hashCode(short value)
Returns a hash code for a |
int
|
hashCode()
Returns a hash code for this |
int
|
intValue()
Returns the value of this |
long
|
longValue()
Returns the value of this |
static
short
|
parseShort(String s)
Parses the string argument as a signed decimal |
static
short
|
parseShort(String s, int radix)
Parses the string argument as a signed |
static
short
|
reverseBytes(short i)
Returns the value obtained by reversing the order of the bytes in the
two's complement representation of the specified |
short
|
shortValue()
Returns the value of this |
static
String
|
toString(short s)
Returns a new |
String
|
toString()
Returns a |
static
int
|
toUnsignedInt(short x)
Converts the argument to an |
static
long
|
toUnsignedLong(short x)
Converts the argument to a |
static
Short
|
valueOf(String s)
Returns a |
static
Short
|
valueOf(short s)
Returns a |
static
Short
|
valueOf(String s, int radix)
Returns a |
Inherited methods | |
|---|---|
Constants
BYTES
public static final int BYTES
The number of bytes used to represent a short value in two's
complement binary form.
Constant Value: 2 (0x00000002)
MAX_VALUE
public static final short MAX_VALUE
A constant holding the maximum value a short can
have, 215-1.
Constant Value: 32767 (0x00007fff)
MIN_VALUE
public static final short MIN_VALUE
A constant holding the minimum value a short can
have, -215.
Constant Value: -32768 (0xffff8000)
SIZE
public static final int SIZE
The number of bits used to represent a short value in two's
complement binary form.
Constant Value: 16 (0x00000010)
Fields
TYPE
public static final Class<Short> TYPE
The Class instance representing the primitive type
short.
Public constructors
Short
public Short (String s)
This constructor is deprecated.
It is rarely appropriate to use this constructor.
Use parseShort(java.lang.String) to convert a string to a
short primitive, or use valueOf(java.lang.String)
to convert a string to a Short object.
Constructs a newly allocated Short object that
represents the short value indicated by the
String parameter. The string is converted to a
short value in exactly the manner used by the
parseShort method for radix 10.
| Parameters | |
|---|---|
s |
String: the String to be converted to a
Short |
| Throws | |
|---|---|
NumberFormatException |
If the String
does not contain a parsable short. |
Short
public Short (short value)
This constructor is deprecated.
It is rarely appropriate to use this constructor. The static factory
valueOf(short) is generally a better choice, as it is
likely to yield significantly better space and time performance.
Constructs a newly allocated Short object that
represents the specified short value.
| Parameters | |
|---|---|
value |
short: the value to be represented by the
Short. |
Public methods
byteValue
public byte byteValue ()
Returns the value of this Short as a byte after
a narrowing primitive conversion.
| Returns | |
|---|---|
byte |
the numeric value represented by this object after conversion
to type byte. |
compare
public static int compare (short x,
short y)Compares two short values numerically.
The value returned is identical to what would be returned by:
Short.valueOf(x).compareTo(Short.valueOf(y))
| Parameters | |
|---|---|
x |
short: the first short to compare |
y |
short: the second short to compare |
| Returns | |
|---|---|
int |
the value 0 if x == y;
a value less than 0 if x < y; and
a value greater than 0 if x > y |
compareTo
public int compareTo (Short anotherShort)
Compares two Short objects numerically.
| Parameters | |
|---|---|
anotherShort |
Short: the Short to be compared. |
| Returns | |
|---|---|
int |
the value 0 if this Short is
equal to the argument Short; a value less than
0 if this Short is numerically less
than the argument Short; and a value greater than
0 if this Short is numerically
greater than the argument Short (signed
comparison). |
compareUnsigned
public static int compareUnsigned (short x,
short y)Compares two short values numerically treating the values
as unsigned.
| Parameters | |
|---|---|
x |
short: the first short to compare |
y |
short: the second short to compare |
| Returns | |
|---|---|
int |
the value 0 if x == y; a value less
than 0 if x < y as unsigned values; and
a value greater than 0 if x > y as
unsigned values |
decode
public static Short decode (String nm)
Decodes a String into a Short.
Accepts decimal, hexadecimal, and octal numbers given by
the following grammar:
DecimalNumeral, HexDigits, and OctalDigits are as defined in section {@jls 3.10.1} of The Java Language Specification, except that underscores are not accepted between digits.
- DecodableString:
- Signopt DecimalNumeral
- Signopt
0xHexDigits- Signopt
0XHexDigits- Signopt
#HexDigits- Signopt
0OctalDigits- Sign:
-+
The sequence of characters following an optional
sign and/or radix specifier ("0x", "0X",
"#", or leading zero) is parsed as by the Short.parseShort method with the indicated radix (10, 16, or
8). This sequence of characters must represent a positive
value or a NumberFormatException will be thrown. The
result is negated if first character of the specified String is the minus sign. No whitespace characters are
permitted in the String.
| Parameters | |
|---|---|
nm |
String: the String to decode. |
| Returns | |
|---|---|
Short |
a Short object holding the short
value represented by nm |
| Throws | |
|---|---|
NumberFormatException |
if the String does not
contain a parsable short. |
See also:
doubleValue
public double doubleValue ()
Returns the value of this Short as a double
after a widening primitive conversion.
| Returns | |
|---|---|
double |
the numeric value represented by this object after conversion
to type double. |
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 Short object that
contains the same short value as this object.
| Parameters | |
|---|---|
obj |
Object: the object to compare with |
| Returns | |
|---|---|
boolean |
true if the objects are the same;
false otherwise. |
floatValue
public float floatValue ()
Returns the value of this Short as a float
after a widening primitive conversion.
| Returns | |
|---|---|
float |
the numeric value represented by this object after conversion
to type float. |
hashCode
public static int hashCode (short value)
Returns a hash code for a short value; compatible with
Short.hashCode().
| Parameters | |
|---|---|
value |
short: the value to hash |
| Returns | |
|---|---|
int |
a hash code value for a short value. |
hashCode
public int hashCode ()
Returns a hash code for this Short; equal to the result
of invoking intValue().
| Returns | |
|---|---|
int |
a hash code value for this Short |
intValue
public int intValue ()
Returns the value of this Short as an int after
a widening primitive conversion.
| Returns | |
|---|---|
int |
the numeric value represented by this object after conversion
to type int. |
longValue
public long longValue ()
Returns the value of this Short as a long after
a widening primitive conversion.
| Returns | |
|---|---|
long |
the numeric value represented by this object after conversion
to type long. |
parseShort
public static short parseShort (String s)
Parses the string argument as a signed decimal short. The characters in the string must all be decimal
digits, except that the first character may be an ASCII minus
sign '-' ('\u002D') to indicate a
negative value or an ASCII plus sign '+'
('\u002B') to indicate a positive value. The
resulting short value is returned, exactly as if the
argument and the radix 10 were given as arguments to the parseShort(java.lang.String, int) method.
| Parameters | |
|---|---|
s |
String: a String containing the short
representation to be parsed |
| Returns | |
|---|---|
short |
the short value represented by the
argument in decimal. |
| Throws | |
|---|---|
NumberFormatException |
If the string does not
contain a parsable short. |
parseShort
public static short parseShort (String s, int radix)
Parses the string argument as a signed short in the
radix specified by the second argument. The characters in the
string must all be digits, of the specified radix (as
determined by whether Character.digit(char, int) returns a nonnegative value) except that the first
character may be an ASCII minus sign '-'
('\u002D') to indicate a negative value or an
ASCII plus sign '+' ('\u002B') to
indicate a positive value. The resulting short value
is returned.
An exception of type NumberFormatException is
thrown if any of the following situations occurs:
- The first argument is
nullor is a string of length zero. - The radix is either smaller than
Character.MIN_RADIXor larger thanCharacter.MAX_RADIX. - Any character of the string is not a digit of the
specified radix, except that the first character may be a minus
sign
'-'('\u002D') or plus sign'+'('\u002B') provided that the string is longer than length 1. - The value represented by the string is not a value of type
short.
| Parameters | |
|---|---|
s |
String: the String containing the
short representation to be parsed |
radix |
int: the radix to be used while parsing s |
| Returns | |
|---|---|
short |
the short represented by the string
argument in the specified radix. |
| Throws | |
|---|---|
NumberFormatException |
If the String
does not contain a parsable short. |
reverseBytes
public static short reverseBytes (short i)
Returns the value obtained by reversing the order of the bytes in the
two's complement representation of the specified short value.
| Parameters | |
|---|---|
i |
short: the value whose bytes are to be reversed |
| Returns | |
|---|---|
short |
the value obtained by reversing (or, equivalently, swapping)
the bytes in the specified short value. |
shortValue
public short shortValue ()
Returns the value of this Short as a
short.
| Returns | |
|---|---|
short |
the numeric value represented by this object after conversion
to type short. |
toString
public static String toString (short s)
Returns a new String object representing the
specified short. The radix is assumed to be 10.
| Parameters | |
|---|---|
s |
short: the short to be converted |
| Returns | |
|---|---|
String |
the string representation of the specified short |
See also:
toString
public String toString ()
Returns a String object representing this
Short's value. The value is converted to signed
decimal representation and returned as a string, exactly as if
the short value were given as an argument to the
toString(short) method.
| Returns | |
|---|---|
String |
a string representation of the value of this object in base 10. |
toUnsignedInt
public static int toUnsignedInt (short x)
Converts the argument to an int by an unsigned
conversion. In an unsigned conversion to an int, the
high-order 16 bits of the int are zero and the
low-order 16 bits are equal to the bits of the short argument.
Consequently, zero and positive short values are mapped
to a numerically equal int value and negative short values are mapped to an int value equal to the
input plus 216.
| Parameters | |
|---|---|
x |
short: the value to convert to an unsigned int |
| Returns | |
|---|---|
int |
the argument converted to int by an unsigned
conversion |
toUnsignedLong
public static long toUnsignedLong (short x)
Converts the argument to a long by an unsigned
conversion. In an unsigned conversion to a long, the
high-order 48 bits of the long are zero and the
low-order 16 bits are equal to the bits of the short argument.
Consequently, zero and positive short values are mapped
to a numerically equal long value and negative short values are mapped to a long value equal to the
input plus 216.
| Parameters | |
|---|---|
x |
short: the value to convert to an unsigned long |
| Returns | |
|---|---|
long |
the argument converted to long by an unsigned
conversion |
valueOf
public static Short valueOf (String s)
Returns a Short object holding the
value given by the specified String. The argument
is interpreted as representing a signed decimal
short, exactly as if the argument were given to
the parseShort(java.lang.String) method. The result is
a Short object that represents the
short value specified by the string.
In other words, this method returns a Short object
equal to the value of:
new Short(Short.parseShort(s))
| Parameters | |
|---|---|
s |
String: the string to be parsed |
| Returns | |
|---|---|
Short |
a Short object holding the value
represented by the string argument |
| Throws | |
|---|---|
NumberFormatException |
If the String does
not contain a parsable short. |
valueOf
public static Short valueOf (short s)
Returns a Short instance representing the specified
short value.
If a new Short instance is not required, this method
should generally be used in preference to the constructor
Short(short), as this method is likely to yield
significantly better space and time performance by caching
frequently requested values.
This method will always cache values in the range -128 to 127,
inclusive, and may cache other values outside of this range.
| Parameters | |
|---|---|
s |
short: a short value. |
| Returns | |
|---|---|
Short |
a Short instance representing s. |
valueOf
public static Short valueOf (String s, int radix)
Returns a Short object holding the value
extracted from the specified String when parsed
with the radix given by the second argument. The first argument
is interpreted as representing a signed short in
the radix specified by the second argument, exactly as if the
argument were given to the parseShort(java.lang.String, int) method. The result is a Short object that
represents the short value specified by the string.
In other words, this method returns a Short object
equal to the value of:
new Short(Short.parseShort(s, radix))
| Parameters | |
|---|---|
s |
String: the string to be parsed |
radix |
int: the radix to be used in interpreting s |
| Returns | |
|---|---|
Short |
a Short object holding the value
represented by the string argument in the
specified radix. |
| Throws | |
|---|---|
NumberFormatException |
If the String does
not contain a parsable short. |