THE PACKAGE JAVA.IO

java.io.DataOutput

22.2

(byte)(0xff & (v >> 56))

(byte)(0xff & (v >> 48))

(byte)(0xff & (v >> 40))

(byte)(0xff & (v >> 32))

(byte)(0xff & (v >> 24))

(byte)(0xff & (v >> 16))

(byte)(0xff & (v >>

8))

(byte)(0xff & v)

The bytes written by this method may be read by the

readLong

 method of

interface

DataInput

 ( 22.1.11), which will then return a

long

 equal to

v

.

22.2.10

public void writeFloat(float v) throws IOException

The general contract for

writeFloat

 is that four bytes are written to the output

stream to represent the value of the argument. It does this as if it first converts this

float

 value to an

int

 in exactly the manner of the

Float.floatToIntBits

method ( 20.9.22) and then writes the

int

 value in exactly the manner of the

writeInt

 method ( 22.2.8).

The bytes written by this method may be read by the

readFloat

 method of

interface

DataInput

 ( 22.1.12), which will then return a

float

 equal to

v

.

22.2.11

public void writeDouble(double v) throws IOException

The general contract for

writeDouble

 is that eight bytes are written to the output

stream to represent the value of the argument. It does this as if it first converts this

double

 value to a

long

 in exactly the manner of the

Double.doubleToLongBits

method ( 20.10.21) and then writes the

long

 value in exactly the manner of the

writeLong

 method ( 22.2.9).

The bytes written by this method may be read by the

readDouble

 method of

interface

DataInput

 ( 22.1.13), which will then return a

double

 equal to

v

.

22.2.12

public void writeBytes(String s)

throws IOException, NullPointerException

The general contract for

writeBytes

 is that for every character in the string

s

,

taken in order, one byte is written to the output stream.

If

s

 is

null

, a

NullPointerException

 is thrown.

If

s.length

 is zero, then no bytes are written. Otherwise, the character

s[0]

is written first, then

s[1]

, and so on; the last character written is

s[s.length 1]

.

For each character, one byte is written, the low order byte, in exactly the manner

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