| Package | Description |
|---|---|
| java.io |
Provides for system input and output through data streams,
serialization and the file system.
|
| java.lang |
Provides classes that are fundamental to the design of the Java
programming language.
|
| java.nio |
Defines buffers, which are containers for data, and provides an overview of the
other NIO packages.
|
| java.nio.channels |
Defines channels, which represent connections to entities that are capable of
performing I/O operations, such as files and sockets; defines selectors, for
multiplexed, non-blocking I/O operations.
|
| java.nio.charset |
Defines charsets, decoders, and encoders, for translating between bytes and
Unicode characters.
|
| java.nio.file.attribute |
Interfaces and classes providing access to file and file system attributes.
|
| java.security |
Provides the classes and interfaces for the security framework.
|
| java.util |
Contains the collections framework, legacy collection classes, event model,
date and time facilities, internationalization, and miscellaneous utility
classes (a string tokenizer, a random-number generator, and a bit array).
|
| java.util.zip |
Provides classes for reading and writing the standard ZIP and GZIP
file formats.
|
| javax.crypto |
Provides the classes and interfaces for cryptographic operations.
|
| javax.imageio.stream |
A package of the Java Image I/O API dealing with low-level I/O from
files and streams.
|
| javax.net.ssl |
Provides classes for the secure socket package.
|
| Class and Description |
|---|
| CharBuffer
A char buffer.
|
| Class and Description |
|---|
| ByteBuffer
A byte buffer.
|
| CharBuffer
A char buffer.
|
| Class and Description |
|---|
| Buffer
A container for data of a specific primitive type.
|
| ByteBuffer
A byte buffer.
|
| ByteOrder
A typesafe enumeration for byte orders.
|
| CharBuffer
A char buffer.
|
| DoubleBuffer
A double buffer.
|
| FloatBuffer
A float buffer.
|
| IntBuffer
An int buffer.
|
| LongBuffer
A long buffer.
|
| MappedByteBuffer
A direct byte buffer whose content is a memory-mapped region of a file.
|
| ShortBuffer
A short buffer.
|
| Class and Description |
|---|
| ByteBuffer
A byte buffer.
|
| MappedByteBuffer
A direct byte buffer whose content is a memory-mapped region of a file.
|
| Class and Description |
|---|
| ByteBuffer
A byte buffer.
|
| CharBuffer
A char buffer.
|
| Class and Description |
|---|
| ByteBuffer
A byte buffer.
|
| Class and Description |
|---|
| ByteBuffer
A byte buffer.
|
| Class and Description |
|---|
| ByteBuffer
A byte buffer.
|
| LongBuffer
A long buffer.
|
| Class and Description |
|---|
| ByteBuffer
A byte buffer.
|
| Class and Description |
|---|
| ByteBuffer
A byte buffer.
|
| Class and Description |
|---|
| ByteOrder
A typesafe enumeration for byte orders.
|
| Class and Description |
|---|
| ByteBuffer
A byte buffer.
|
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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