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 csq)
Appends the specified character sequence to this Appendable.
|
Appendable |
Appendable.append(CharSequence csq,
int start,
int end)
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 temporal,
Appendable appendable)
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 a)
Constructs a new formatter with the specified destination.
|
Formatter(Appendable a,
Locale l)
Constructs a new formatter with the specified destination and locale.
|
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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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