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authorAndrew Haley <aph@redhat.com>2016-09-30 16:24:48 +0000
committerAndrew Haley <aph@gcc.gnu.org>2016-09-30 16:24:48 +0000
commit07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch)
tree3f22b3241c513ad168c8353805614ae1249410f4 /libjava/classpath/java/lang/Byte.java
parenteae993948bae8b788c53772bcb9217c063716f93 (diff)
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Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com> * Makefile.def: Remove libjava. * Makefile.tpl: Likewise. * Makefile.in: Regenerate. * configure.ac: Likewise. * configure: Likewise. * gcc/java: Remove. * libjava: Likewise. From-SVN: r240662
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diff --git a/libjava/classpath/java/lang/Byte.java b/libjava/classpath/java/lang/Byte.java
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-/* Byte.java -- object wrapper for byte
- Copyright (C) 1998, 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath 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 for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.lang;
-
-/**
- * Instances of class <code>Byte</code> represent primitive <code>byte</code>
- * values.
- *
- * Additionally, this class provides various helper functions and variables
- * useful to bytes.
- *
- * @author Paul Fisher
- * @author John Keiser
- * @author Per Bothner
- * @author Eric Blake (ebb9@email.byu.edu)
- * @author Tom Tromey (tromey@redhat.com)
- * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
- * @since 1.1
- * @status updated to 1.5
- */
-public final class Byte extends Number implements Comparable<Byte>
-{
- /**
- * Compatible with JDK 1.1+.
- */
- private static final long serialVersionUID = -7183698231559129828L;
-
- /**
- * The minimum value a <code>byte</code> can represent is -128 (or
- * -2<sup>7</sup>).
- */
- public static final byte MIN_VALUE = -128;
-
- /**
- * The maximum value a <code>byte</code> can represent is 127 (or
- * 2<sup>7</sup> - 1).
- */
- public static final byte MAX_VALUE = 127;
-
- /**
- * The primitive type <code>byte</code> is represented by this
- * <code>Class</code> object.
- */
- public static final Class<Byte> TYPE = (Class<Byte>) VMClassLoader.getPrimitiveClass('B');
-
- /**
- * The number of bits needed to represent a <code>byte</code>.
- * @since 1.5
- */
- public static final int SIZE = 8;
-
- // This caches Byte values, and is used by boxing conversions via
- // valueOf(). We're required to cache all possible values here.
- private static Byte[] byteCache = new Byte[MAX_VALUE - MIN_VALUE + 1];
- static
- {
- for (int i=MIN_VALUE; i <= MAX_VALUE; i++)
- byteCache[i - MIN_VALUE] = new Byte((byte) i);
- }
-
-
- /**
- * The immutable value of this Byte.
- *
- * @serial the wrapped byte
- */
- private final byte value;
-
- /**
- * Create a <code>Byte</code> object representing the value of the
- * <code>byte</code> argument.
- *
- * @param value the value to use
- */
- public Byte(byte value)
- {
- this.value = value;
- }
-
- /**
- * Create a <code>Byte</code> object representing the value specified
- * by the <code>String</code> argument
- *
- * @param s the string to convert
- * @throws NumberFormatException if the String does not contain a byte
- * @see #valueOf(String)
- */
- public Byte(String s)
- {
- value = parseByte(s, 10);
- }
-
- /**
- * Converts the <code>byte</code> to a <code>String</code> and assumes
- * a radix of 10.
- *
- * @param b the <code>byte</code> to convert to <code>String</code>
- * @return the <code>String</code> representation of the argument
- */
- public static String toString(byte b)
- {
- return String.valueOf(b);
- }
-
- /**
- * Converts the specified <code>String</code> into a <code>byte</code>.
- * This function assumes a radix of 10.
- *
- * @param s the <code>String</code> to convert
- * @return the <code>byte</code> value of <code>s</code>
- * @throws NumberFormatException if <code>s</code> cannot be parsed as a
- * <code>byte</code>
- * @see #parseByte(String)
- */
- public static byte parseByte(String s)
- {
- return parseByte(s, 10);
- }
-
- /**
- * Converts the specified <code>String</code> into an <code>int</code>
- * using the specified radix (base). The string must not be <code>null</code>
- * or empty. It may begin with an optional '-', which will negate the answer,
- * provided that there are also valid digits. Each digit is parsed as if by
- * <code>Character.digit(d, radix)</code>, and must be in the range
- * <code>0</code> to <code>radix - 1</code>. Finally, the result must be
- * within <code>MIN_VALUE</code> to <code>MAX_VALUE</code>, inclusive.
- * Unlike Double.parseDouble, you may not have a leading '+'.
- *
- * @param s the <code>String</code> to convert
- * @param radix the radix (base) to use in the conversion
- * @return the <code>String</code> argument converted to <code>byte</code>
- * @throws NumberFormatException if <code>s</code> cannot be parsed as a
- * <code>byte</code>
- */
- public static byte parseByte(String s, int radix)
- {
- int i = Integer.parseInt(s, radix, false);
- if ((byte) i != i)
- throw new NumberFormatException();
- return (byte) i;
- }
-
- /**
- * Creates a new <code>Byte</code> object using the <code>String</code>
- * and specified radix (base).
- *
- * @param s the <code>String</code> to convert
- * @param radix the radix (base) to convert with
- * @return the new <code>Byte</code>
- * @throws NumberFormatException if <code>s</code> cannot be parsed as a
- * <code>byte</code>
- * @see #parseByte(String, int)
- */
- public static Byte valueOf(String s, int radix)
- {
- return valueOf(parseByte(s, radix));
- }
-
- /**
- * Creates a new <code>Byte</code> object using the <code>String</code>,
- * assuming a radix of 10.
- *
- * @param s the <code>String</code> to convert
- * @return the new <code>Byte</code>
- * @throws NumberFormatException if <code>s</code> cannot be parsed as a
- * <code>byte</code>
- * @see #Byte(String)
- * @see #parseByte(String)
- */
- public static Byte valueOf(String s)
- {
- return valueOf(parseByte(s, 10));
- }
-
- /**
- * Returns a <code>Byte</code> object wrapping the value.
- * In contrast to the <code>Byte</code> constructor, this method
- * will cache some values. It is used by boxing conversion.
- *
- * @param val the value to wrap
- * @return the <code>Byte</code>
- */
- public static Byte valueOf(byte val)
- {
- return byteCache[val - MIN_VALUE];
- }
-
- /**
- * Convert the specified <code>String</code> into a <code>Byte</code>.
- * The <code>String</code> may represent decimal, hexadecimal, or
- * octal numbers.
- *
- * <p>The extended BNF grammar is as follows:<br>
- * <pre>
- * <em>DecodableString</em>:
- * ( [ <code>-</code> ] <em>DecimalNumber</em> )
- * | ( [ <code>-</code> ] ( <code>0x</code> | <code>0X</code>
- * | <code>#</code> ) { <em>HexDigit</em> }+ )
- * | ( [ <code>-</code> ] <code>0</code> { <em>OctalDigit</em> } )
- * <em>DecimalNumber</em>:
- * <em>DecimalDigit except '0'</em> { <em>DecimalDigit</em> }
- * <em>DecimalDigit</em>:
- * <em>Character.digit(d, 10) has value 0 to 9</em>
- * <em>OctalDigit</em>:
- * <em>Character.digit(d, 8) has value 0 to 7</em>
- * <em>DecimalDigit</em>:
- * <em>Character.digit(d, 16) has value 0 to 15</em>
- * </pre>
- * Finally, the value must be in the range <code>MIN_VALUE</code> to
- * <code>MAX_VALUE</code>, or an exception is thrown.
- *
- * @param s the <code>String</code> to interpret
- * @return the value of the String as a <code>Byte</code>
- * @throws NumberFormatException if <code>s</code> cannot be parsed as a
- * <code>byte</code>
- * @throws NullPointerException if <code>s</code> is null
- * @see Integer#decode(String)
- */
- public static Byte decode(String s)
- {
- int i = Integer.parseInt(s, 10, true);
- if ((byte) i != i)
- throw new NumberFormatException();
- return valueOf((byte) i);
- }
-
- /**
- * Return the value of this <code>Byte</code>.
- *
- * @return the byte value
- */
- public byte byteValue()
- {
- return value;
- }
-
- /**
- * Return the value of this <code>Byte</code> as a <code>short</code>.
- *
- * @return the short value
- */
- public short shortValue()
- {
- return value;
- }
-
- /**
- * Return the value of this <code>Byte</code> as an <code>int</code>.
- *
- * @return the int value
- */
- public int intValue()
- {
- return value;
- }
-
- /**
- * Return the value of this <code>Byte</code> as a <code>long</code>.
- *
- * @return the long value
- */
- public long longValue()
- {
- return value;
- }
-
- /**
- * Return the value of this <code>Byte</code> as a <code>float</code>.
- *
- * @return the float value
- */
- public float floatValue()
- {
- return value;
- }
-
- /**
- * Return the value of this <code>Byte</code> as a <code>double</code>.
- *
- * @return the double value
- */
- public double doubleValue()
- {
- return value;
- }
-
- /**
- * Converts the <code>Byte</code> value to a <code>String</code> and
- * assumes a radix of 10.
- *
- * @return the <code>String</code> representation of this <code>Byte</code>
- * @see Integer#toString()
- */
- public String toString()
- {
- return String.valueOf(value);
- }
-
- /**
- * Return a hashcode representing this Object. <code>Byte</code>'s hash
- * code is simply its value.
- *
- * @return this Object's hash code
- */
- public int hashCode()
- {
- return value;
- }
-
- /**
- * Returns <code>true</code> if <code>obj</code> is an instance of
- * <code>Byte</code> and represents the same byte value.
- *
- * @param obj the object to compare
- * @return whether these Objects are semantically equal
- */
- public boolean equals(Object obj)
- {
- return obj instanceof Byte && value == ((Byte) obj).value;
- }
-
- /**
- * Compare two Bytes numerically by comparing their <code>byte</code> values.
- * The result is positive if the first is greater, negative if the second
- * is greater, and 0 if the two are equal.
- *
- * @param b the Byte to compare
- * @return the comparison
- * @since 1.2
- */
- public int compareTo(Byte b)
- {
- return value - b.value;
- }
-
- /**
- * Compares two unboxed byte values.
- * The result is positive if the first is greater, negative if the second
- * is greater, and 0 if the two are equal.
- *
- * @param x First value to compare.
- * @param y Second value to compare.
- *
- * @return positive int if the first value is greater, negative if the second
- * is greater, and 0 if the two are equal.
- * @since 1.7
- */
- public static int compare(byte x, byte y)
- {
- return Byte.valueOf(x).compareTo(Byte.valueOf(y));
- }
-
-}