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.charset |
Defines charsets, decoders, and encoders, for translating between bytes and
Unicode characters.
|
java.nio.file |
Defines interfaces and classes for the Java virtual machine to access files,
file attributes, and file systems.
|
java.text |
Provides classes and interfaces for handling text, dates, numbers, and messages
in a manner independent of natural languages.
|
java.util.regex |
Classes for matching character sequences against patterns specified by regular
expressions.
|
javax.annotation.processing |
Facilities for declaring annotation processors and for
allowing annotation processors to communicate with an annotation processing
tool environment.
|
javax.lang.model |
Classes and hierarchies of packages used to model the Java
programming language.
|
javax.lang.model.element |
Interfaces used to model elements of the Java programming language.
|
javax.lang.model.util |
Utilities to assist in the processing of
program elements and
types.
|
javax.swing.text |
Provides classes and interfaces that deal with editable
and noneditable text components.
|
javax.tools |
Provides interfaces for tools which can be invoked from a program,
for example, compilers.
|
Modifier and Type | Method and Description |
---|---|
CharArrayWriter |
CharArrayWriter.append(CharSequence csq)
Appends the specified character sequence to this writer.
|
Writer |
Writer.append(CharSequence csq)
Appends the specified character sequence to this writer.
|
StringWriter |
StringWriter.append(CharSequence csq)
Appends the specified character sequence to this writer.
|
PrintWriter |
PrintWriter.append(CharSequence csq)
Appends the specified character sequence to this writer.
|
PrintStream |
PrintStream.append(CharSequence csq)
Appends the specified character sequence to this output stream.
|
CharArrayWriter |
CharArrayWriter.append(CharSequence csq,
int start,
int end)
Appends a subsequence of the specified character sequence to this writer.
|
Writer |
Writer.append(CharSequence csq,
int start,
int end)
Appends a subsequence of the specified character sequence to this writer.
|
StringWriter |
StringWriter.append(CharSequence csq,
int start,
int end)
Appends a subsequence of the specified character sequence to this writer.
|
PrintWriter |
PrintWriter.append(CharSequence csq,
int start,
int end)
Appends a subsequence of the specified character sequence to this writer.
|
PrintStream |
PrintStream.append(CharSequence csq,
int start,
int end)
Appends a subsequence of the specified character sequence to this output
stream.
|
Modifier and Type | Class and Description |
---|---|
class |
String
The
String class represents character strings. |
class |
StringBuffer
A thread-safe, mutable sequence of characters.
|
class |
StringBuilder
A mutable sequence of characters.
|
Modifier and Type | Method and Description |
---|---|
CharSequence |
StringBuffer.subSequence(int start,
int end) |
CharSequence |
CharSequence.subSequence(int start,
int end)
Returns a new
CharSequence that is a subsequence of this sequence. |
CharSequence |
String.subSequence(int beginIndex,
int endIndex)
Returns a new character sequence that is a subsequence of this sequence.
|
Modifier and Type | Method and Description |
---|---|
Appendable |
Appendable.append(CharSequence csq)
Appends the specified character sequence to this Appendable.
|
StringBuffer |
StringBuffer.append(CharSequence s)
Appends the specified
CharSequence to this
sequence. |
StringBuilder |
StringBuilder.append(CharSequence s) |
Appendable |
Appendable.append(CharSequence csq,
int start,
int end)
Appends a subsequence of the specified character sequence to this
Appendable.
|
StringBuffer |
StringBuffer.append(CharSequence s,
int start,
int end) |
StringBuilder |
StringBuilder.append(CharSequence s,
int start,
int end) |
static int |
Character.codePointAt(CharSequence seq,
int index)
Returns the code point at the given index of the
CharSequence . |
static int |
Character.codePointBefore(CharSequence seq,
int index)
Returns the code point preceding the given index of the
CharSequence . |
static int |
Character.codePointCount(CharSequence seq,
int beginIndex,
int endIndex)
Returns the number of Unicode code points in the text range of
the specified char sequence.
|
boolean |
String.contains(CharSequence s)
Returns true if and only if this string contains the specified
sequence of char values.
|
boolean |
String.contentEquals(CharSequence cs)
Compares this string to the specified
CharSequence . |
StringBuffer |
StringBuffer.insert(int dstOffset,
CharSequence s) |
StringBuilder |
StringBuilder.insert(int dstOffset,
CharSequence s) |
StringBuffer |
StringBuffer.insert(int dstOffset,
CharSequence s,
int start,
int end) |
StringBuilder |
StringBuilder.insert(int dstOffset,
CharSequence s,
int start,
int end) |
static int |
Character.offsetByCodePoints(CharSequence seq,
int index,
int codePointOffset)
Returns the index within the given char sequence that is offset
from the given
index by codePointOffset
code points. |
String |
String.replace(CharSequence target,
CharSequence replacement)
Replaces each substring of this string that matches the literal target
sequence with the specified literal replacement sequence.
|
Constructor and Description |
---|
StringBuffer(CharSequence seq)
Constructs a string buffer that contains the same characters
as the specified
CharSequence . |
StringBuilder(CharSequence seq)
Constructs a string builder that contains the same characters
as the specified
CharSequence . |
Modifier and Type | Class and Description |
---|---|
class |
CharBuffer
A char buffer.
|
Modifier and Type | Method and Description |
---|---|
CharBuffer |
CharBuffer.append(CharSequence csq)
Appends the specified character sequence to this
buffer (optional operation).
|
CharBuffer |
CharBuffer.append(CharSequence csq,
int start,
int end)
Appends a subsequence of the specified character sequence to this
buffer (optional operation).
|
static CharBuffer |
CharBuffer.wrap(CharSequence csq)
Wraps a character sequence into a buffer.
|
static CharBuffer |
CharBuffer.wrap(CharSequence csq,
int start,
int end)
Wraps a character sequence into a buffer.
|
Modifier and Type | Method and Description |
---|---|
boolean |
CharsetEncoder.canEncode(CharSequence cs)
Tells whether or not this encoder can encode the given character
sequence.
|
Modifier and Type | Method and Description |
---|---|
static Path |
Files.write(Path path,
Iterable<? extends CharSequence> lines,
Charset cs,
OpenOption... options)
Write lines of text to a file.
|
Modifier and Type | Method and Description |
---|---|
static boolean |
Normalizer.isNormalized(CharSequence src,
Normalizer.Form form)
Determines if the given sequence of char values is normalized.
|
static String |
Normalizer.normalize(CharSequence src,
Normalizer.Form form)
Normalize a sequence of char values.
|
Modifier and Type | Method and Description |
---|---|
Matcher |
Pattern.matcher(CharSequence input)
Creates a matcher that will match the given input against this pattern.
|
static boolean |
Pattern.matches(String regex,
CharSequence input)
Compiles the given regular expression and attempts to match the given
input against it.
|
Matcher |
Matcher.reset(CharSequence input)
Resets this matcher with a new input sequence.
|
String[] |
Pattern.split(CharSequence input)
Splits the given input sequence around matches of this pattern.
|
String[] |
Pattern.split(CharSequence input,
int limit)
Splits the given input sequence around matches of this pattern.
|
Modifier and Type | Method and Description |
---|---|
JavaFileObject |
Filer.createClassFile(CharSequence name,
Element... originatingElements)
Creates a new class file, and returns an object to allow
writing to it.
|
FileObject |
Filer.createResource(JavaFileManager.Location location,
CharSequence pkg,
CharSequence relativeName,
Element... originatingElements)
Creates a new auxiliary resource file for writing and returns a
file object for it.
|
JavaFileObject |
Filer.createSourceFile(CharSequence name,
Element... originatingElements)
Creates a new source file and returns an object to allow
writing to it.
|
FileObject |
Filer.getResource(JavaFileManager.Location location,
CharSequence pkg,
CharSequence relativeName)
Returns an object for reading an existing resource.
|
void |
Messager.printMessage(Diagnostic.Kind kind,
CharSequence msg)
Prints a message of the specified kind.
|
void |
Messager.printMessage(Diagnostic.Kind kind,
CharSequence msg,
Element e)
Prints a message of the specified kind at the location of the
element.
|
void |
Messager.printMessage(Diagnostic.Kind kind,
CharSequence msg,
Element e,
AnnotationMirror a)
Prints a message of the specified kind at the location of the
annotation mirror of the annotated element.
|
void |
Messager.printMessage(Diagnostic.Kind kind,
CharSequence msg,
Element e,
AnnotationMirror a,
AnnotationValue v)
Prints a message of the specified kind at the location of the
annotation value inside the annotation mirror of the annotated
element.
|
Modifier and Type | Method and Description |
---|---|
static boolean |
SourceVersion.isIdentifier(CharSequence name)
Returns whether or not
name is a syntactically valid
identifier (simple name) or keyword in the latest source
version. |
static boolean |
SourceVersion.isKeyword(CharSequence s)
Returns whether or not
s is a keyword or literal in the
latest source version. |
static boolean |
SourceVersion.isName(CharSequence name)
Returns whether or not
name is a syntactically valid
qualified name in the latest source version. |
Modifier and Type | Interface and Description |
---|---|
interface |
Name
An immutable sequence of characters.
|
Modifier and Type | Method and Description |
---|---|
boolean |
Name.contentEquals(CharSequence cs)
Compares this name to the specified
CharSequence . |
Modifier and Type | Method and Description |
---|---|
Name |
Elements.getName(CharSequence cs)
Return a name with the same sequence of characters as the
argument.
|
PackageElement |
Elements.getPackageElement(CharSequence name)
Returns a package given its fully qualified name.
|
TypeElement |
Elements.getTypeElement(CharSequence name)
Returns a type element given its canonical name.
|
Modifier and Type | Class and Description |
---|---|
class |
Segment
A segment of a character array representing a fragment
of text.
|
Modifier and Type | Method and Description |
---|---|
CharSequence |
Segment.subSequence(int start,
int end)
Returns a new
CharSequence that is a subsequence of this sequence. |
Modifier and Type | Method and Description |
---|---|
CharSequence |
ForwardingFileObject.getCharContent(boolean ignoreEncodingErrors) |
CharSequence |
FileObject.getCharContent(boolean ignoreEncodingErrors)
Gets the character content of this file object, if available.
|
CharSequence |
SimpleJavaFileObject.getCharContent(boolean ignoreEncodingErrors)
This implementation always throws UnsupportedOperationException.
|
Submit a bug or feature
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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