package java.lang;

import ej.annotation.Nullable;

/**
 *
 * 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}.
 *
 * @see java.lang.Number
 */
public final class Byte extends Number implements Comparable<Byte> {

	/**
	 * A constant holding the maximum value a {@code byte} can have, 2<sup>7</sup>-1.
	 */
	public static final byte MAX_VALUE = 127;

	/**
	 * A constant holding the minimum value a {@code byte} can have, -2<sup>7</sup>.
	 */
	public static final byte MIN_VALUE = -128;

	/**
	 * The number of bits used to represent a {@code byte} value in two's complement binary form.
	 */
	public static final int SIZE = 8;

	/**
	 * 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) {
		throw new RuntimeException();
	}

	/**
	 * 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.
	 *
	 * <p>
	 * <b>Null Analysis restriction:</b> the parameter <i>s</i> is {@code @NonNull},
	 * to ensure that {@link NumberFormatException} is thrown only when the string
	 * characters do not represent a valid number. This aligns with the behavior of
	 * {@link Float#parseFloat(String)} and {@link Double#parseDouble(String)}.
	 *
	 * @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 {
		throw new RuntimeException();
	}

	/**
	 * Compares two {@code byte} values numerically. The value returned is identical to what would be
	 * returned by:
	 *
	 * <pre>
	 * Byte.valueOf(x).compareTo(Byte.valueOf(y))
	 * </pre>
	 *
	 * @param x
	 *        the first {@code byte} to compare
	 * @param y
	 *        the second {@code byte} to compare
	 * @return the value {@code 0} if {@code x == y}; a value less than {@code 0} if {@code x < y}; and
	 *         a value greater than {@code 0} if {@code x > y}
	 */
	public static int compare(byte x, byte y) {
		throw new RuntimeException();
	}

	/**
	 * 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>
	 * <dt><i>Sign:</i>
	 * <dd>{@code -}
	 * <dd>{@code +}
	 * </dl>
	 * </blockquote>
	 *
	 * <i>DecimalNumeral</i>, <i>HexDigits</i>, and <i>OctalDigits</i> are as defined in section 3.10.1
	 * of <cite>The Java&trade; Language Specification</cite>, except that underscores are not accepted
	 * between digits.
	 *
	 * <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 {
		throw new RuntimeException();
	}

	/**
	 * 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>'&#92;u002D'</code>) to indicate a negative value or an ASCII plus sign {@code '+'}
	 * (<code>'&#92;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.
	 *
	 * <p>
	 * <b>Null Analysis restriction:</b> the parameter <i>s</i> is {@code @NonNull},
	 * to ensure that {@link NumberFormatException} is thrown only when the string
	 * characters do not represent a valid number. This aligns with the behavior of
	 * {@link Float#parseFloat(String)} and {@link Double#parseDouble(String)}.
	 *
	 * @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 {
		throw new RuntimeException();
	}

	/**
	 * 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>'&#92;u002D'</code>) to indicate a negative value or an ASCII plus sign
	 * {@code '+'} ( <code>'&#92;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>'&#92;u002D'</code>) or plus sign {@code '+'}
	 * (<code>'&#92;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>
	 *
	 * <p>
	 * <b>Null Analysis restriction:</b> the parameter <i>s</i> is {@code @NonNull},
	 * to ensure that {@link NumberFormatException} is thrown only when the string
	 * characters do not represent a valid number. This aligns with the behavior of
	 * {@link Float#parseFloat(String)} and {@link Double#parseDouble(String)}.
	 *
	 * 
	 * @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 {
		throw new RuntimeException();
	}

	/**
	 * 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) {
		throw new RuntimeException();
	}

	/**
	 * 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 since all byte values are cached.
	 *
	 * @param b
	 *        a byte value.
	 * @return a {@code Byte} instance representing {@code b}.
	 */
	public static Byte valueOf(byte b) {
		throw new RuntimeException();
	}

	/**
	 * 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>
	 *
	 * <p>
	 * <b>Null Analysis restriction:</b> the parameter <i>s</i> is {@code @NonNull},
	 * to ensure that {@link NumberFormatException} is thrown only when the string
	 * characters do not represent a valid number. This aligns with the behavior of
	 * {@link Float#parseFloat(String)} and {@link Double#parseDouble(String)}.
	 *
	 * @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 {
		throw new RuntimeException();
	}

	/**
	 * 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>
	 *
	 * <p>
	 * <b>Null Analysis restriction:</b> the parameter <i>s</i> is {@code @NonNull},
	 * to ensure that {@link NumberFormatException} is thrown only when the string
	 * characters do not represent a valid number. This aligns with the behavior of
	 * {@link Float#parseFloat(String)} and {@link Double#parseDouble(String)}.
	 *
	 * @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 {
		throw new RuntimeException();
	}

	/**
	 * Returns the value of this {@code Byte} as a {@code byte}.
	 */
	@Override
	public byte byteValue() {
		throw new RuntimeException();
	}

	/**
	 * 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).
	 */
	@Override
	public int compareTo(Byte anotherByte) {
		throw new RuntimeException();
	}

	/**
	 * Returns the value of this {@code Byte} as a {@code double}.
	 */
	@Override
	public double doubleValue() {
		throw new RuntimeException();
	}

	/**
	 * 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.
	 */
	@Override
	public boolean equals(@Nullable Object obj) {
		throw new RuntimeException();
	}

	/**
	 * Returns the value of this {@code Byte} as a {@code float}.
	 */
	@Override
	public float floatValue() {
		throw new RuntimeException();
	}

	/**
	 * Returns a hash code for this {@code Byte}; equal to the result of invoking {@code intValue()} .
	 *
	 * @return a hash code value for this {@code Byte}
	 */
	@Override
	public int hashCode() {
		throw new RuntimeException();
	}

	/**
	 * Returns the value of this {@code Byte} as an {@code int}.
	 */
	@Override
	public int intValue() {
		throw new RuntimeException();
	}

	/**
	 * Returns the value of this {@code Byte} as a {@code long}.
	 */
	@Override
	public long longValue() {
		throw new RuntimeException();
	}

	/**
	 * Returns the value of this {@code Byte} as a {@code short}.
	 */
	@Override
	public short shortValue() {
		throw new RuntimeException();
	}

	/**
	 * 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&nbsp;10.
	 */
	@Override
	public String toString() {
		throw new RuntimeException();
	}

}
