| 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.rmi.server |
Provides classes and interfaces for supporting the server side of RMI.
|
| java.time.format |
Provides classes to print and parse dates and times.
|
| 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).
|
| Modifier and Type | Class and Description |
|---|---|
class |
BufferedWriter
Writes text to a character-output stream, buffering characters so as to provide for the efficient writing of single characters, arrays, and strings.
|
class |
CharArrayWriter
This class implements a character buffer that can be used as an Writer.
|
class |
FileWriter
Convenience class for writing character files.
|
class |
FilterWriter
Abstract class for writing filtered character streams.
|
class |
OutputStreamWriter
An OutputStreamWriter is a bridge from character streams to byte streams: Characters written to it are encoded into bytes using a specified
charset.
|
class |
PipedWriter
Piped character-output streams.
|
class |
PrintStream
A
PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
|
class |
PrintWriter
Prints formatted representations of objects to a text-output stream.
|
class |
StringWriter
A character stream that collects its output in a string buffer, which can then be used to construct a string.
|
class |
Writer
Abstract class for writing to character streams.
|
| Modifier and Type | Class and Description |
|---|---|
class |
StringBuffer
A thread-safe, mutable sequence of characters.
|
class |
StringBuilder
A mutable sequence of characters.
|
| Modifier and Type | Method and Description |
|---|---|
Appendable |
Appendable.append(char c)
Appends the specified character to this
Appendable.
|
Appendable |
Appendable.append(CharSequence
Appends the specified character sequence to this
Appendable.
|
Appendable |
Appendable.append(CharSequence
Appends a subsequence of the specified character sequence to this
Appendable.
|
| Modifier and Type | Class and Description |
|---|---|
class |
CharBuffer
A char buffer.
|
| Modifier and Type | Class and Description |
|---|---|
class |
LogStream
Deprecated.
no replacement
|
| Modifier and Type | Method and Description |
|---|---|
void |
DateTimeFormatter.formatTo(TemporalAccessor
Formats a date-time object to an
Appendable using this formatter.
|
| Modifier and Type | Method and Description |
|---|---|
Appendable |
Formatter.out()
Returns the destination for the output.
|
| Constructor and Description | |
|---|---|
Formatter(Appendable
Constructs a new formatter with the specified destination.
|
|
Formatter(Appendable
Constructs a new formatter with the specified destination and locale.
|