Package | Description |
---|---|
java.io |
Provides for system input and output through data streams and the file system.
|
java.lang |
Provides classes that are fundamental to the design of the Java
programming language.
|
java.net |
Provides exceptions related to socket connections.
|
java.nio.channels |
Defines channels, which represent connections to entities that are capable of
performing I/O operations, such as files.
|
java.nio.file |
Defines interfaces and classes for the Java virtual machine to access files,
file attributes, and file systems.
|
java.util |
Contains the collections framework, legacy collection classes, event model,
date and time facilities, random-number generator, and miscellaneous utility
classes.
|
java.util.logging |
Provides the classes and interfaces of the CLDC platform's core logging facilities.
|
Class and Description |
---|
Closeable
A
Closeable is a source or destination of data that can be closed. |
DataInput
The
DataInput interface provides
for reading bytes from a binary stream and
reconstructing from them data in any of
the Java primitive types. |
DataOutput
The
DataOutput interface provides
for converting data from any of the Java
primitive types to a series of bytes and
writing these bytes to a binary stream. |
InputStream
This abstract class is the superclass of all classes representing
an input stream of bytes.
|
IOException
Signals that an I/O exception of some sort has occurred.
|
OutputStream
This abstract class is the superclass of all classes representing
an output stream of bytes.
|
PrintStream
A
PrintStream adds functionality to another output stream,
namely the ability to print representations of various data values
conveniently. |
Reader
Abstract class for reading character streams.
|
UnsupportedEncodingException
The Character Encoding is not supported.
|
Writer
Abstract class for writing to character streams.
|
Class and Description |
---|
InputStream
This abstract class is the superclass of all classes representing
an input stream of bytes.
|
IOException
Signals that an I/O exception of some sort has occurred.
|
PrintStream
A
PrintStream adds functionality to another output stream,
namely the ability to print representations of various data values
conveniently. |
UnsupportedEncodingException
The Character Encoding is not supported.
|
Class and Description |
---|
IOException
Signals that an I/O exception of some sort has occurred.
|
Class and Description |
---|
Closeable
A
Closeable is a source or destination of data that can be closed. |
InputStream
This abstract class is the superclass of all classes representing
an input stream of bytes.
|
IOException
Signals that an I/O exception of some sort has occurred.
|
OutputStream
This abstract class is the superclass of all classes representing
an output stream of bytes.
|
Class and Description |
---|
Closeable
A
Closeable is a source or destination of data that can be closed. |
InputStream
This abstract class is the superclass of all classes representing
an input stream of bytes.
|
IOException
Signals that an I/O exception of some sort has occurred.
|
OutputStream
This abstract class is the superclass of all classes representing
an output stream of bytes.
|
Class and Description |
---|
Closeable
A
Closeable is a source or destination of data that can be closed. |
InputStream
This abstract class is the superclass of all classes representing
an input stream of bytes.
|
IOException
Signals that an I/O exception of some sort has occurred.
|
OutputStream
This abstract class is the superclass of all classes representing
an output stream of bytes.
|
PrintStream
A
PrintStream adds functionality to another output stream,
namely the ability to print representations of various data values
conveniently. |
Reader
Abstract class for reading character streams.
|
Writer
Abstract class for writing to character streams.
|
Class and Description |
---|
OutputStream
This abstract class is the superclass of all classes representing
an output stream of bytes.
|
UnsupportedEncodingException
The Character Encoding is not supported.
|
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