Java The Complete Reference, Seventh Edition

394 Part II: The Java Library

Method Description

static int numberOfTrailingZeros(intnum) Returns the number of low-order zero bits that

precede the first low-order set bit innum.Ifnumis

zero, 32 is returned.

static int parseInt(Stringstr)

throws NumberFormatException

Returns the integer equivalent of the number contained

in the string specified bystrusing radix 10.

static int parseInt(Stringstr, intradix)

throws NumberFormatException

Returns the integer equivalent of the number

contained in the string specified bystrusing the

specifiedradix.

static int reverse(intnum) Reverses the order of the bits innumand returns

the result.

static int reverseBytes(intnum) Reverses the order of the bytes innumand returns

the result.

static int rotateLeft(intnum, intn) Returns the result of rotatingnumleftnpositions.

static int rotateRight(intnum, intn) Returns the result of rotatingnumrightnpositions.

static int signum(intnum) Returns –1 ifnumis negative, 0 if it is zero, and 1

if it is positive.

short shortValue( ) Returns the value of the invoking object as ashort.

static String toBinar yString(intnum) Returns a string that contains the binar y equivalent

ofnum.

static String toHexString(intnum) Returns a string that contains the hexadecimal

equivalent ofnum.

static String toOctalString(intnum) Returns a string that contains the octal equivalent

ofnum.

String toString( ) Returns a string that contains the decimal equivalent

of the invoking object.

static String toString(intnum) Returns a string that contains the decimal equivalent

ofnum.

static String toString(intnum, intradix) Returns a string that contains the decimal equivalent

ofnumusing the specifiedradix.

static Integer valueOf(intnum) Returns anIntegerobject containing the value passed

innum.

static Integer valueOf(Stringstr)

throws NumberFormatException

Returns anIntegerobject that contains the value

specified by the string instr.

static Integer valueOf(Stringstr, intradix)

throws NumberFormatException

Returns anIntegerobject that contains the value

specified by the string instrusing the specifiedradix.

TABLE 16-5 The Methods Defined byInteger(continued)