java.lang

Class Long

java.lang.Object

java.lang.Number

java.lang.Long

All Implemented Interfaces:

Comparable<Long>

public final class Long
extends Number
implements Comparable<Long>

Wrapper class for long integers.

Author:

Sven Köhler

Field Summary

Fields

Modifier and Type	Field and Description
static long	MAX_VALUE
static long	MIN_VALUE
static int	SIZE
static Class<?>	TYPE

Constructor Summary

Constructors

Constructor and Description
Long(long value)
Long(String s)

Method Summary

Modifier and Type	Method and Description
static int	bitCount(long v)
byte	byteValue() Return the byte value of this Number.
int	compareTo(Long ob) Compares this with another Object.
static Long	decode(String s)
double	doubleValue() Return the double value of this Number.
boolean	equals(Object o)
float	floatValue() Return the float value of this Number.
static Long	getLong(String name)
static Long	getLong(String name, int def)
static Long	getLong(String name, Long def)
int	hashCode()
static long	highestOneBit(long v)
int	intValue() Return the int value of this Number.
long	longValue() Return the long value of this Number.
static long	lowestOneBit(long v)
static int	numberOfLeadingZeros(long v)
static int	numberOfTrailingZeros(long v)
static long	parseLong(String s)
static long	parseLong(String s, int radix)
static long	reverse(long v)
static long	reverseBytes(long v)
static long	rotateLeft(long v, int bits)
static long	rotateRight(long v, int bits)
short	shortValue() Return the short value of this Number.
static int	signnum(long i)
static String	toBinaryString(long v)
static String	toHexString(long v)
static String	toOctalString(long v)
String	toString()
static String	toString(long v)
static String	toString(long v, int radix)
static Long	valueOf(long v)
static Long	valueOf(String s)
static Long	valueOf(String s, int radix)

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

MAX_VALUE

public static final long MAX_VALUE

See Also:

Constant Field Values

MIN_VALUE

public static final long MIN_VALUE

See Also:

Constant Field Values

SIZE

public static final int SIZE

See Also:

Constant Field Values

TYPE

public static final Class<?> TYPE

Constructor Detail

Long

public Long(long value)

Long

public Long(String s)

Method Detail

bitCount

public static int bitCount(long v)

byteValue

public byte byteValue()

Description copied from class: Number

Return the byte value of this Number.

Overrides:

byteValue in class Number

Returns:

the byte value

compareTo

public int compareTo(Long ob)

Description copied from interface: Comparable

Compares this with another Object. Returns -1 if this object is smaller, 0 if both objects are equal and 1 if this object is bigger.

Specified by:

compareTo in interface Comparable<Long>

Parameters:

ob - the object to compare with

Returns:

one of the values -1, 0, 1

decode

public static Long decode(String s)

doubleValue

public double doubleValue()

Description copied from class: Number

Return the double value of this Number.

Specified by:

doubleValue in class Number

Returns:

the double value

equals

public boolean equals(Object o)

Overrides:

equals in class Object

floatValue

public float floatValue()

Description copied from class: Number

Return the float value of this Number.

Specified by:

floatValue in class Number

Returns:

the float value

getLong

public static Long getLong(String name)

getLong

public static Long getLong(String name,
                           int def)

getLong

public static Long getLong(String name,
                           Long def)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

highestOneBit

public static long highestOneBit(long v)

intValue

public int intValue()

Description copied from class: Number

Return the int value of this Number.

Specified by:

intValue in class Number

Returns:

the int value

longValue

public long longValue()

Description copied from class: Number

Return the long value of this Number.

Specified by:

longValue in class Number

Returns:

the long value

lowestOneBit

public static long lowestOneBit(long v)

numberOfLeadingZeros

public static int numberOfLeadingZeros(long v)

numberOfTrailingZeros

public static int numberOfTrailingZeros(long v)

parseLong

public static long parseLong(String s)

parseLong

public static long parseLong(String s,
                             int radix)

reverse

public static long reverse(long v)

reverseBytes

public static long reverseBytes(long v)

rotateLeft

public static long rotateLeft(long v,
                              int bits)

rotateRight

public static long rotateRight(long v,
                               int bits)

shortValue

public short shortValue()

Description copied from class: Number

Return the short value of this Number.

Overrides:

shortValue in class Number

Returns:

the short value

signnum

public static int signnum(long i)

toBinaryString

public static String toBinaryString(long v)

toHexString

public static String toHexString(long v)

toOctalString

public static String toOctalString(long v)

toString

public String toString()

Overrides:

toString in class Object

toString

public static String toString(long v)

toString

public static String toString(long v,
                              int radix)

valueOf

public static Long valueOf(long v)

valueOf

public static Long valueOf(String s)

valueOf

public static Long valueOf(String s,
                           int radix)