Initial load
diff --git a/jdk/src/share/classes/java/lang/Byte.java b/jdk/src/share/classes/java/lang/Byte.java
new file mode 100644
index 0000000..2bb6480
--- /dev/null
+++ b/jdk/src/share/classes/java/lang/Byte.java
@@ -0,0 +1,431 @@
+/*
+ * Copyright 1996-2006 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package java.lang;
+
+/**
+ *
+ * The {@code Byte} class wraps a value of primitive type {@code byte}
+ * in an object. An object of type {@code Byte} contains a single
+ * field whose type is {@code byte}.
+ *
+ * <p>In addition, this class provides several methods for converting
+ * a {@code byte} to a {@code String} and a {@code String} to a {@code
+ * byte}, as well as other constants and methods useful when dealing
+ * with a {@code byte}.
+ *
+ * @author Nakul Saraiya
+ * @author Joseph D. Darcy
+ * @see java.lang.Number
+ * @since JDK1.1
+ */
+public final class Byte extends Number implements Comparable<Byte> {
+
+ /**
+ * A constant holding the minimum value a {@code byte} can
+ * have, -2<sup>7</sup>.
+ */
+ public static final byte MIN_VALUE = -128;
+
+ /**
+ * A constant holding the maximum value a {@code byte} can
+ * have, 2<sup>7</sup>-1.
+ */
+ public static final byte MAX_VALUE = 127;
+
+ /**
+ * The {@code Class} instance representing the primitive type
+ * {@code byte}.
+ */
+ public static final Class<Byte> TYPE = (Class<Byte>) Class.getPrimitiveClass("byte");
+
+ /**
+ * Returns a new {@code String} object representing the
+ * specified {@code byte}. The radix is assumed to be 10.
+ *
+ * @param b the {@code byte} to be converted
+ * @return the string representation of the specified {@code byte}
+ * @see java.lang.Integer#toString(int)
+ */
+ public static String toString(byte b) {
+ return Integer.toString((int)b, 10);
+ }
+
+ private static class ByteCache {
+ private ByteCache(){}
+
+ static final Byte cache[] = new Byte[-(-128) + 127 + 1];
+
+ static {
+ for(int i = 0; i < cache.length; i++)
+ cache[i] = new Byte((byte)(i - 128));
+ }
+ }
+
+ /**
+ * Returns a {@code Byte} instance representing the specified
+ * {@code byte} value.
+ * If a new {@code Byte} instance is not required, this method
+ * should generally be used in preference to the constructor
+ * {@link #Byte(byte)}, as this method is likely to yield
+ * significantly better space and time performance by caching
+ * frequently requested values.
+ *
+ * @param b a byte value.
+ * @return a {@code Byte} instance representing {@code b}.
+ * @since 1.5
+ */
+ public static Byte valueOf(byte b) {
+ final int offset = 128;
+ return ByteCache.cache[(int)b + offset];
+ }
+
+ /**
+ * Parses the string argument as a signed {@code byte} 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 {@link java.lang.Character#digit(char,
+ * int)} returns a nonnegative value) except that the first
+ * character may be an ASCII minus sign {@code '-'}
+ * (<code>'\u002D'</code>) to indicate a negative value or an
+ * ASCII plus sign {@code '+'} (<code>'\u002B'</code>) to
+ * indicate a positive value. The resulting {@code byte} value is
+ * returned.
+ *
+ * <p>An exception of type {@code NumberFormatException} is
+ * thrown if any of the following situations occurs:
+ * <ul>
+ * <li> The first argument is {@code null} or is a string of
+ * length zero.
+ *
+ * <li> The radix is either smaller than {@link
+ * java.lang.Character#MIN_RADIX} or larger than {@link
+ * java.lang.Character#MAX_RADIX}.
+ *
+ * <li> Any character of the string is not a digit of the
+ * specified radix, except that the first character may be a minus
+ * sign {@code '-'} (<code>'\u002D'</code>) or plus sign
+ * {@code '+'} (<code>'\u002B'</code>) provided that the
+ * string is longer than length 1.
+ *
+ * <li> The value represented by the string is not a value of type
+ * {@code byte}.
+ * </ul>
+ *
+ * @param s the {@code String} containing the
+ * {@code byte}
+ * representation to be parsed
+ * @param radix the radix to be used while parsing {@code s}
+ * @return the {@code byte} value represented by the string
+ * argument in the specified radix
+ * @throws NumberFormatException If the string does
+ * not contain a parsable {@code byte}.
+ */
+ public static byte parseByte(String s, int radix)
+ throws NumberFormatException {
+ int i = Integer.parseInt(s, radix);
+ if (i < MIN_VALUE || i > MAX_VALUE)
+ throw new NumberFormatException(
+ "Value out of range. Value:\"" + s + "\" Radix:" + radix);
+ return (byte)i;
+ }
+
+ /**
+ * Parses the string argument as a signed decimal {@code
+ * byte}. The characters in the string must all be decimal digits,
+ * except that the first character may be an ASCII minus sign
+ * {@code '-'} (<code>'\u002D'</code>) to indicate a negative
+ * value or an ASCII plus sign {@code '+'}
+ * (<code>'\u002B'</code>) to indicate a positive value. The
+ * resulting {@code byte} value is returned, exactly as if the
+ * argument and the radix 10 were given as arguments to the {@link
+ * #parseByte(java.lang.String, int)} method.
+ *
+ * @param s a {@code String} containing the
+ * {@code byte} representation to be parsed
+ * @return the {@code byte} value represented by the
+ * argument in decimal
+ * @throws NumberFormatException if the string does not
+ * contain a parsable {@code byte}.
+ */
+ public static byte parseByte(String s) throws NumberFormatException {
+ return parseByte(s, 10);
+ }
+
+ /**
+ * Returns a {@code Byte} object holding the value
+ * extracted from the specified {@code String} when parsed
+ * with the radix given by the second argument. The first argument
+ * is interpreted as representing a signed {@code byte} in
+ * the radix specified by the second argument, exactly as if the
+ * argument were given to the {@link #parseByte(java.lang.String,
+ * int)} method. The result is a {@code Byte} object that
+ * represents the {@code byte} value specified by the string.
+ *
+ * <p> In other words, this method returns a {@code Byte} object
+ * equal to the value of:
+ *
+ * <blockquote>
+ * {@code new Byte(Byte.parseByte(s, radix))}
+ * </blockquote>
+ *
+ * @param s the string to be parsed
+ * @param radix the radix to be used in interpreting {@code s}
+ * @return a {@code Byte} object holding the value
+ * represented by the string argument in the
+ * specified radix.
+ * @throws NumberFormatException If the {@code String} does
+ * not contain a parsable {@code byte}.
+ */
+ public static Byte valueOf(String s, int radix)
+ throws NumberFormatException {
+ return new Byte(parseByte(s, radix));
+ }
+
+ /**
+ * Returns a {@code Byte} object holding the value
+ * given by the specified {@code String}. The argument is
+ * interpreted as representing a signed decimal {@code byte},
+ * exactly as if the argument were given to the {@link
+ * #parseByte(java.lang.String)} method. The result is a
+ * {@code Byte} object that represents the {@code byte}
+ * value specified by the string.
+ *
+ * <p> In other words, this method returns a {@code Byte} object
+ * equal to the value of:
+ *
+ * <blockquote>
+ * {@code new Byte(Byte.parseByte(s))}
+ * </blockquote>
+ *
+ * @param s the string to be parsed
+ * @return a {@code Byte} object holding the value
+ * represented by the string argument
+ * @throws NumberFormatException If the {@code String} does
+ * not contain a parsable {@code byte}.
+ */
+ public static Byte valueOf(String s) throws NumberFormatException {
+ return valueOf(s, 10);
+ }
+
+ /**
+ * Decodes a {@code String} into a {@code Byte}.
+ * Accepts decimal, hexadecimal, and octal numbers given by
+ * the following grammar:
+ *
+ * <blockquote>
+ * <dl>
+ * <dt><i>DecodableString:</i>
+ * <dd><i>Sign<sub>opt</sub> DecimalNumeral</i>
+ * <dd><i>Sign<sub>opt</sub></i> {@code 0x} <i>HexDigits</i>
+ * <dd><i>Sign<sub>opt</sub></i> {@code 0X} <i>HexDigits</i>
+ * <dd><i>Sign<sub>opt</sub></i> {@code #} <i>HexDigits</i>
+ * <dd><i>Sign<sub>opt</sub></i> {@code 0} <i>OctalDigits</i>
+ * <p>
+ * <dt><i>Sign:</i>
+ * <dd>{@code -}
+ * <dd>{@code +}
+ * </dl>
+ * </blockquote>
+ *
+ * <i>DecimalNumeral</i>, <i>HexDigits</i>, and <i>OctalDigits</i>
+ * are defined in <a href="http://java.sun.com/docs/books/jls/second_edition/html/lexical.doc.html#48282">§3.10.1</a>
+ * of the <a href="http://java.sun.com/docs/books/jls/html/">Java
+ * Language Specification</a>.
+ *
+ * <p>The sequence of characters following an optional
+ * sign and/or radix specifier ("{@code 0x}", "{@code 0X}",
+ * "{@code #}", or leading zero) is parsed as by the {@code
+ * Byte.parseByte} method with the indicated radix (10, 16, or 8).
+ * This sequence of characters must represent a positive value or
+ * a {@link NumberFormatException} will be thrown. The result is
+ * negated if first character of the specified {@code String} is
+ * the minus sign. No whitespace characters are permitted in the
+ * {@code String}.
+ *
+ * @param nm the {@code String} to decode.
+ * @return a {@code Byte} object holding the {@code byte}
+ * value represented by {@code nm}
+ * @throws NumberFormatException if the {@code String} does not
+ * contain a parsable {@code byte}.
+ * @see java.lang.Byte#parseByte(java.lang.String, int)
+ */
+ public static Byte decode(String nm) throws NumberFormatException {
+ int i = Integer.decode(nm);
+ if (i < MIN_VALUE || i > MAX_VALUE)
+ throw new NumberFormatException(
+ "Value " + i + " out of range from input " + nm);
+ return (byte)i;
+ }
+
+ /**
+ * The value of the {@code Byte}.
+ *
+ * @serial
+ */
+ private final byte value;
+
+ /**
+ * Constructs a newly allocated {@code Byte} object that
+ * represents the specified {@code byte} value.
+ *
+ * @param value the value to be represented by the
+ * {@code Byte}.
+ */
+ public Byte(byte value) {
+ this.value = value;
+ }
+
+ /**
+ * Constructs a newly allocated {@code Byte} object that
+ * represents the {@code byte} value indicated by the
+ * {@code String} parameter. The string is converted to a
+ * {@code byte} value in exactly the manner used by the
+ * {@code parseByte} method for radix 10.
+ *
+ * @param s the {@code String} to be converted to a
+ * {@code Byte}
+ * @throws NumberFormatException If the {@code String}
+ * does not contain a parsable {@code byte}.
+ * @see java.lang.Byte#parseByte(java.lang.String, int)
+ */
+ public Byte(String s) throws NumberFormatException {
+ this.value = parseByte(s, 10);
+ }
+
+ /**
+ * Returns the value of this {@code Byte} as a
+ * {@code byte}.
+ */
+ public byte byteValue() {
+ return value;
+ }
+
+ /**
+ * Returns the value of this {@code Byte} as a
+ * {@code short}.
+ */
+ public short shortValue() {
+ return (short)value;
+ }
+
+ /**
+ * Returns the value of this {@code Byte} as an
+ * {@code int}.
+ */
+ public int intValue() {
+ return (int)value;
+ }
+
+ /**
+ * Returns the value of this {@code Byte} as a
+ * {@code long}.
+ */
+ public long longValue() {
+ return (long)value;
+ }
+
+ /**
+ * Returns the value of this {@code Byte} as a
+ * {@code float}.
+ */
+ public float floatValue() {
+ return (float)value;
+ }
+
+ /**
+ * Returns the value of this {@code Byte} as a
+ * {@code double}.
+ */
+ public double doubleValue() {
+ return (double)value;
+ }
+
+ /**
+ * Returns a {@code String} object representing this
+ * {@code Byte}'s value. The value is converted to signed
+ * decimal representation and returned as a string, exactly as if
+ * the {@code byte} value were given as an argument to the
+ * {@link java.lang.Byte#toString(byte)} method.
+ *
+ * @return a string representation of the value of this object in
+ * base 10.
+ */
+ public String toString() {
+ return String.valueOf((int)value);
+ }
+
+ /**
+ * Returns a hash code for this {@code Byte}.
+ */
+ public int hashCode() {
+ return (int)value;
+ }
+
+ /**
+ * Compares this object to the specified object. The result is
+ * {@code true} if and only if the argument is not
+ * {@code null} and is a {@code Byte} object that
+ * contains the same {@code byte} value as this object.
+ *
+ * @param obj the object to compare with
+ * @return {@code true} if the objects are the same;
+ * {@code false} otherwise.
+ */
+ public boolean equals(Object obj) {
+ if (obj instanceof Byte) {
+ return value == ((Byte)obj).byteValue();
+ }
+ return false;
+ }
+
+ /**
+ * Compares two {@code Byte} objects numerically.
+ *
+ * @param anotherByte the {@code Byte} to be compared.
+ * @return the value {@code 0} if this {@code Byte} is
+ * equal to the argument {@code Byte}; a value less than
+ * {@code 0} if this {@code Byte} is numerically less
+ * than the argument {@code Byte}; and a value greater than
+ * {@code 0} if this {@code Byte} is numerically
+ * greater than the argument {@code Byte} (signed
+ * comparison).
+ * @since 1.2
+ */
+ public int compareTo(Byte anotherByte) {
+ return this.value - anotherByte.value;
+ }
+
+ /**
+ * The number of bits used to represent a {@code byte} value in two's
+ * complement binary form.
+ *
+ * @since 1.5
+ */
+ public static final int SIZE = 8;
+
+ /** use serialVersionUID from JDK 1.1. for interoperability */
+ private static final long serialVersionUID = -7183698231559129828L;
+}