java.lang

Class Integer

java.lang.Object

java.lang.Number

java.lang.Integer

All Implemented Interfaces:

Serializable, Comparable<Integer>

public final class Integer
extends Number
implements Comparable<Integer>

Wraps a primitive int as an object.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	BYTES
static int	MAX_VALUE
static int	MIN_VALUE
static int	SIZE
static Class<Integer>	TYPE

Constructor Summary

Constructors

Constructor and Description
Integer(int value)
Integer(String s)

Method Summary

Modifier and Type	Method and Description
static int	bitCount(int x)
byte	byteValue()
static int	compare(int x, int y)
int	compareTo(Integer b)
static Integer	decode(String s)
double	doubleValue()
boolean	equals(Object o)
float	floatValue()
int	hashCode()
static int	hashCode(int i)
static int	highestOneBit(int i)
int	intValue()
long	longValue()
static int	lowestOneBit(int i)
static int	max(int a, int b)
static int	min(int a, int b)
static int	numberOfLeadingZeros(int i)
static int	numberOfTrailingZeros(int i)
static int	parseInt(String s)
static int	parseInt(String s, int radix)
static int	reverse(int i)
static int	reverseBytes(int i)
static int	rotateLeft(int i, int distance)
static int	rotateRight(int i, int distance)
short	shortValue()
static int	signum(int i)
static int	sum(int a, int b)
static String	toBinaryString(int value)
static String	toHexString(int value)
static String	toOctalString(int value)
String	toString()
static String	toString(int value)
static String	toString(int value, int radix)
static Integer	valueOf(int i)
static Integer	valueOf(String s)
static Integer	valueOf(String s, int radix)

Methods inherited from class java.lang.Number

__decodeAndValidateInt, __decodeNumberString, __parseAndValidateDouble, __parseAndValidateInt, __parseAndValidateLong

Methods inherited from class java.lang.Object

finalize, getClass

Methods inherited from interface java.lang.Comparable

$isInstance

Field Detail

MAX_VALUE

public static final int MAX_VALUE

See Also:

Constant Field Values

MIN_VALUE

public static final int MIN_VALUE

See Also:

Constant Field Values

SIZE

public static final int SIZE

See Also:

Constant Field Values

BYTES

public static final int BYTES

See Also:

Constant Field Values

TYPE

public static final Class<Integer> TYPE

Constructor Detail

Integer

public Integer(int value)

Integer

public Integer(String s)

Method Detail

bitCount

public static int bitCount(int x)

compare

public static int compare(int x,
                          int y)

decode

public static Integer decode(String s)
                      throws NumberFormatException

Throws:

NumberFormatException

hashCode

public static int hashCode(int i)

highestOneBit

public static int highestOneBit(int i)

lowestOneBit

public static int lowestOneBit(int i)

max

public static int max(int a,
                      int b)

min

public static int min(int a,
                      int b)

numberOfLeadingZeros

public static int numberOfLeadingZeros(int i)

numberOfTrailingZeros

public static int numberOfTrailingZeros(int i)

parseInt

public static int parseInt(String s)
                    throws NumberFormatException

Throws:

NumberFormatException

parseInt

public static int parseInt(String s,
                           int radix)
                    throws NumberFormatException

Throws:

NumberFormatException

reverse

public static int reverse(int i)

reverseBytes

public static int reverseBytes(int i)

rotateLeft

public static int rotateLeft(int i,
                             int distance)

rotateRight

public static int rotateRight(int i,
                              int distance)

signum

public static int signum(int i)

sum

public static int sum(int a,
                      int b)

toBinaryString

public static String toBinaryString(int value)

toHexString

public static String toHexString(int value)

toOctalString

public static String toOctalString(int value)

toString

public static String toString(int value)

toString

public static String toString(int value,
                              int radix)

valueOf

public static Integer valueOf(int i)

valueOf

public static Integer valueOf(String s)
                       throws NumberFormatException

Throws:

NumberFormatException

valueOf

public static Integer valueOf(String s,
                              int radix)
                       throws NumberFormatException

Throws:

NumberFormatException

byteValue

public byte byteValue()

Overrides:

byteValue in class Number

compareTo

public int compareTo(Integer b)

Specified by:

compareTo in interface Comparable<Integer>

doubleValue

public double doubleValue()

Specified by:

doubleValue in class Number

equals

public boolean equals(Object o)

Overrides:

equals in class Object

floatValue

public float floatValue()

Specified by:

floatValue in class Number

hashCode

public int hashCode()

Overrides:

hashCode in class Object

intValue

public int intValue()

Specified by:

intValue in class Number

longValue

public long longValue()

Specified by:

longValue in class Number

shortValue

public short shortValue()

Overrides:

shortValue in class Number

toString

public String toString()

Overrides:

toString in class Object