Where Am I? Class Hierarchy (JDK) All Classes (JDK) All Fields and Methods (JDK)

Class java.lang.Byte

java.lang.Object
   |
   +----java.lang.Number
           |
           +----java.lang.Byte

public final class Byte
extends Number

The Byte class is the standard wrapper for byte values.

Since:
JDK1.1
See Also:
Number

Variable Index

MAX_VALUE
The maximum value a Byte can have.
MIN_VALUE
The minimum value a Byte can have.
TYPE
The Class object representing the primitive type byte.

Constructor Index

Byte(byte)
Constructs a Byte object initialized to the specified byte value.
Byte(String)
Constructs a Byte object initialized to the value specified by the String parameter.

Method Index

byteValue()
Returns the value of this Byte as a byte.
decode(String)
Decodes a String into a Byte.
doubleValue()
Returns the value of this Byte as a double.
equals(Object)
Compares this object to the specified object.
floatValue()
Returns the value of this Byte as a float.
hashCode()
Returns a hashcode for this Byte.
intValue()
Returns the value of this Byte as an int.
longValue()
Returns the value of this Byte as a long.
parseByte(String)
Assuming the specified String represents a byte, returns that byte's value.
parseByte(String, int)
Assuming the specified String represents a byte, returns that byte's value.
shortValue()
Returns the value of this Byte as a short.
toString()
Returns a String object representing this Byte's value.
toString(byte)
Returns a new String object representing the specified Byte.
valueOf(String)
Assuming the specified String represents a byte, returns a new Byte object initialized to that value.
valueOf(String, int)
Assuming the specified String represents a byte, returns a new Byte object initialized to that value.

Variables

MIN_VALUE
 public static final byte MIN_VALUE
The minimum value a Byte can have.

MAX_VALUE
 public static final byte MAX_VALUE
The maximum value a Byte can have.

TYPE
 public static final Class TYPE
The Class object representing the primitive type byte.


Constructors

Byte
 public Byte(byte value)
Constructs a Byte object initialized to the specified byte value.

Parameters:
value - the initial value of the Byte
Byte
 public Byte(String s) throws NumberFormatException
Constructs a Byte object initialized to the value specified by the String parameter. The radix is assumed to be 10.

Parameters:
s - the String to be converted to a Byte
Throws: NumberFormatException
If the String does not contain a parsable byte.

Methods

toString
 public static String toString(byte b)
Returns a new String object representing the specified Byte. The radix is assumed to be 10.

Parameters:
b - the byte to be converted
parseByte
 public static byte parseByte(String s) throws NumberFormatException
Assuming the specified String represents a byte, returns that byte's value. Throws an exception if the String cannot be parsed as a byte. The radix is assumed to be 10.

Parameters:
s - the String containing the byte
Throws: NumberFormatException
If the string does not contain a parsable byte.
parseByte
 public static byte parseByte(String s,
                              int radix) throws NumberFormatException
Assuming the specified String represents a byte, returns that byte's value. Throws an exception if the String cannot be parsed as a byte.

Parameters:
s - the String containing the byte
radix - the radix to be used
Throws: NumberFormatException
If the String does not contain a parsable byte.
valueOf
 public static Byte valueOf(String s,
                            int radix) throws NumberFormatException
Assuming the specified String represents a byte, returns a new Byte object initialized to that value. Throws an exception if the String cannot be parsed as a byte.

Parameters:
s - the String containing the integer
radix - the radix to be used
Throws: NumberFormatException
If the String does not contain a parsable byte.
valueOf
 public static Byte valueOf(String s) throws NumberFormatException
Assuming the specified String represents a byte, returns a new Byte object initialized to that value. Throws an exception if the String cannot be parsed as a byte. The radix is assumed to be 10.

Parameters:
s - the String containing the integer
Throws: NumberFormatException
If the String does not contain a parsable byte.
decode
 public static Byte decode(String nm) throws NumberFormatException
Decodes a String into a Byte. The String may represent decimal, hexadecimal, and octal numbers.

Parameters:
nm - the string to decode
byteValue
 public byte byteValue()
Returns the value of this Byte as a byte.

Overrides:
byteValue in class Number
shortValue
 public short shortValue()
Returns the value of this Byte as a short.

Overrides:
shortValue in class Number
intValue
 public int intValue()
Returns the value of this Byte as an int.

Overrides:
intValue in class Number
longValue
 public long longValue()
Returns the value of this Byte as a long.

Overrides:
longValue in class Number
floatValue
 public float floatValue()
Returns the value of this Byte as a float.

Overrides:
floatValue in class Number
doubleValue
 public double doubleValue()
Returns the value of this Byte as a double.

Overrides:
doubleValue in class Number
toString
 public String toString()
Returns a String object representing this Byte's value.

Overrides:
toString in class Object
hashCode
 public int hashCode()
Returns a hashcode for this Byte.

Overrides:
hashCode in class Object
equals
 public boolean equals(Object obj)
Compares this object to the specified object.

Parameters:
obj - the object to compare with
Returns:
true if the objects are the same; false otherwise.
Overrides:
equals in class Object

Where Am I? Class Hierarchy (JDK) All Classes (JDK) All Fields and Methods (JDK)