Byte

Byte

java.lang

---

Java 1.1

serializable comparable

This class provides an immutable object wrapper around the byte primitive type. It defines useful constants for the minimum and maximum values that can be stored by the byte type and a Class object constant that represents the byte type. It also provides various methods for converting Byte values to and from strings and other numeric types.

Most of the static methods of this class can convert a String to a Byte object or a byte value: the four parseByte( ) and valueOf( ) methods parse a number from the specified string using an optionally specified radix and return it in one of these two forms. The decode( ) method parses a byte specified in base 10, base 8, or base 16 and returns it as a Byte . If the string begins with "0x" or "#", it is interpreted as a hexadecimal number. If it begins with "0", it is interpreted as an octal number. Otherwise, it is interpreted as a decimal number.

Note that this class has two toString( ) methods. One is static and converts a byte primitive value to a string; the other is the usual toString( ) method that converts a Byte object to a string. Most of the remaining methods convert a Byte to various primitive numeric types.

Figure 10-8. java.lang.Byte

 public final class  Byte  extends Number implements Comparable<Byte> {  // Public Constructors  public  Byte  (byte  value  );        public  Byte  (String  s  ) throws NumberFormatException;  // Public Constants  public static final byte  MAX_VALUE  ;  =127  public static final byte  MIN_VALUE  ;  =-128   5.0  public static final int  SIZE  ;  =8  public static final Class<Byte>  TYPE  ;  // Public Class Methods  public static Byte  decode  (String  nm  ) throws NumberFormatException;        public static byte  parseByte  (String  s  ) throws NumberFormatException;        public static byte  parseByte  (String  s  , int  radix  ) throws NumberFormatException;        public static String  toString  (byte  b  );        public static Byte  valueOf  (String  s  ) throws NumberFormatException;  5.0  public static Byte  valueOf  (byte  b  );        public static Byte  valueOf  (String  s  , int  radix  ) throws NumberFormatException;  // Methods Implementing Comparable   1.2  public int  compareTo  (Byte  anotherByte  );  // Public Methods Overriding Number  public byte  byteValue  ( );        public double  doubleValue  ( );        public float  floatValue  ( );  yu      public int  intValue  ( );        public long  longValue  ( );        public short  shortValue  ( );  // Public Methods Overriding Object  public boolean  equals  (Object  obj  );        public int  hashCode  ( );        public String  toString  ( );   }