22.1

java.io.DataInput

THE PACKAGE JAVA.IO

22.1.7

public short readShort() throws IOException

The general contract of

readShort

 is that it reads two input bytes and returns a

short

 value. Let

a

 be the first byte read and

b

 be the second byte. The value

returned is:

(short)((a << 8) | (b & 0xff))

This method is suitable for reading the bytes written by the

writeShort

method of interface

DataOutput

 ( 22.2.6).

22.1.8

public int readUnsignedShort() throws IOException

The general contract of

readUnsignedShort

 is that it reads two input bytes and

returns an

int

 value in the range

0

 through

65535

. Let

a

 be the first byte read and

b

 be the second byte. The value returned is:

(((a & 0xff) << 8) | (b & 0xff))

This method is suitable for reading the bytes written by the

writeShort

method of interface

DataOutput

 ( 22.2.6) if the argument to

writeShort

 was

intended to be a value in the range

0

 through

65535

.

22.1.9

public char readChar() throws IOException

The general contract of

readChar

 is that it reads two input bytes and returns a

char

 value. Let

a

 be the first byte read and

b

 be the second byte. The value

returned is:

(char)((a << 8) | (b & 0xff))

This method is suitable for reading bytes written by the

writeChar

 method of

interface

DataOutput

 ( 22.2.7).

22.1.10

public int readInt() throws IOException

The general contract of

readInt

 is that it reads four input bytes and returns an

int

 value. Let

a

 be the first byte read,

b

 be the second byte,

c

 be the third byte,

and

d

 be the fourth byte. The value returned is:

(((a & 0xff) << 24) | ((b & 0xff) << 16) |

((c & 0xff) <<

8) | (d & 0xff))

This method is suitable for reading bytes written by the

writeInt

 method of

interface

DataOutput

 ( 22.2.8).

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