Uses of Class java.lang.StringBuffer (Java SE 25 & JDK 25)
Description: use: module: java.base, package: java.lang, class: StringBuffer

# Uses of Class
java.lang.StringBuffer

Packages that use StringBuffer
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.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.swing.text.html.parser
Provides the default HTML parser, along with support classes.

- ## Uses of StringBuffer in java.io

  Methods in java.io that return StringBuffer
  Modifier and Type
  Method
  Description
  `StringBuffer`
  StringWriter.`getBuffer()`
  Return the string buffer itself.

- ## Uses of StringBuffer in java.lang

  Classes in java.lang that implement interfaces with type arguments of type StringBuffer
  Modifier and Type
  Class
  Description
  `final class`
  `StringBuffer`
  A thread-safe, mutable sequence of characters.
  Methods in java.lang that return StringBuffer
  Modifier and Type
  Method
  Description
  `StringBuffer`
  StringBuffer.`append(boolean b)`
  `StringBuffer`
  StringBuffer.`append(char c)`
  `StringBuffer`
  StringBuffer.`append(char[] str)`
  `StringBuffer`
  StringBuffer.`append(char[] str, int offset, int len)`
  `StringBuffer`
  StringBuffer.`append(double d)`
  `StringBuffer`
  StringBuffer.`append(float f)`
  `StringBuffer`
  StringBuffer.`append(int i)`
  `StringBuffer`
  StringBuffer.`append(long lng)`
  `StringBuffer`
  StringBuffer.`append(CharSequence s)`
  Appends the specified `CharSequence` to this sequence.
  `StringBuffer`
  StringBuffer.`append(CharSequence s, int start, int end)`
  `StringBuffer`
  StringBuffer.`append(Object obj)`
  `StringBuffer`
  StringBuffer.`append(String str)`
  `StringBuffer`
  StringBuffer.`append(StringBuffer sb)`
  Appends the specified `StringBuffer` to this sequence.
  `StringBuffer`
  StringBuffer.`appendCodePoint(int codePoint)`
  `StringBuffer`
  StringBuffer.`delete(int start, int end)`
  `StringBuffer`
  StringBuffer.`deleteCharAt(int index)`
  `StringBuffer`
  StringBuffer.`insert(int offset, boolean b)`
  `StringBuffer`
  StringBuffer.`insert(int offset, char c)`
  `StringBuffer`
  StringBuffer.`insert(int offset, char[] str)`
  `StringBuffer`
  StringBuffer.`insert(int index, char[] str, int offset, int len)`
  `StringBuffer`
  StringBuffer.`insert(int offset, double d)`
  `StringBuffer`
  StringBuffer.`insert(int offset, float f)`
  `StringBuffer`
  StringBuffer.`insert(int offset, int i)`
  `StringBuffer`
  StringBuffer.`insert(int offset, long l)`
  `StringBuffer`
  StringBuffer.`insert(int dstOffset, CharSequence s)`
  `StringBuffer`
  StringBuffer.`insert(int dstOffset, CharSequence s, int start, int end)`
  `StringBuffer`
  StringBuffer.`insert(int offset, Object obj)`
  `StringBuffer`
  StringBuffer.`insert(int offset, String str)`
  `StringBuffer`
  StringBuffer.`repeat(int codePoint, int count)`
  `StringBuffer`
  StringBuffer.`repeat(CharSequence cs, int count)`
  `StringBuffer`
  StringBuffer.`replace(int start, int end, String str)`
  `StringBuffer`
  StringBuffer.`reverse()`
  Methods in java.lang with parameters of type StringBuffer
  Modifier and Type
  Method
  Description
  `StringBuffer`
  StringBuffer.`append(StringBuffer sb)`
  Appends the specified `StringBuffer` to this sequence.
  `StringBuilder`
  StringBuilder.`append(StringBuffer sb)`
  Appends the specified `StringBuffer` to this sequence.
  `int`
  StringBuffer.`compareTo(StringBuffer another)`
  Compares two `StringBuffer` instances lexicographically.
  `boolean`
  String.`contentEquals(StringBuffer sb)`
  Compares this string to the specified `StringBuffer`.
  Constructors in java.lang with parameters of type StringBuffer
  Modifier
  Constructor
  Description
  ``
  `String(StringBuffer buffer)`
  Allocates a new string that contains the sequence of characters currently contained in the string buffer argument.

- ## Uses of StringBuffer in java.text

  Methods in java.text that return StringBuffer
  Modifier and Type
  Method
  Description
  `StringBuffer`
  ChoiceFormat.`format(double number, StringBuffer toAppendTo, FieldPosition status)`
  Returns pattern with formatted double.
  `StringBuffer`
  ChoiceFormat.`format(long number, StringBuffer toAppendTo, FieldPosition status)`
  Specialization of format.
  `StringBuffer`
  CompactNumberFormat.`format(double number, StringBuffer result, FieldPosition fieldPosition)`
  Formats a double to produce a string representing its compact form.
  `StringBuffer`
  CompactNumberFormat.`format(long number, StringBuffer result, FieldPosition fieldPosition)`
  Formats a long to produce a string representing its compact form.
  `final StringBuffer`
  CompactNumberFormat.`format(Object number, StringBuffer toAppendTo, FieldPosition fieldPosition)`
  Formats a number to produce a string representing its compact form.
  `final StringBuffer`
  DateFormat.`format(Object obj, StringBuffer toAppendTo, FieldPosition fieldPosition)`
  Formats the given `Object` into a date-time string.
  `abstract StringBuffer`
  DateFormat.`format(Date date, StringBuffer toAppendTo, FieldPosition fieldPosition)`
  Formats a `Date` into a date-time string.
  `StringBuffer`
  DecimalFormat.`format(double number, StringBuffer result, FieldPosition fieldPosition)`
  Formats a double to produce a string.
  `StringBuffer`
  DecimalFormat.`format(long number, StringBuffer result, FieldPosition fieldPosition)`
  Format a long to produce a string.
  `final StringBuffer`
  DecimalFormat.`format(Object number, StringBuffer toAppendTo, FieldPosition pos)`
  Formats a number and appends the resulting text to the given string buffer.
  `abstract StringBuffer`
  Format.`format(Object obj, StringBuffer toAppendTo, FieldPosition pos)`
  Formats an object and appends the resulting text to a given string buffer.
  `StringBuffer`
  ListFormat.`format(Object obj, StringBuffer toAppendTo, FieldPosition pos)`
  Formats an object and appends the resulting text to a given string buffer.
  `final StringBuffer`
  MessageFormat.`format(Object[] arguments, StringBuffer result, FieldPosition pos)`
  Formats an array of objects and appends the `MessageFormat`'s pattern, with format elements replaced by the formatted objects, to the provided `StringBuffer`.
  `final StringBuffer`
  MessageFormat.`format(Object arguments, StringBuffer result, FieldPosition pos)`
  Formats an array of objects and appends the `MessageFormat`'s pattern, with format elements replaced by the formatted objects, to the provided `StringBuffer`.
  `abstract StringBuffer`
  NumberFormat.`format(double number, StringBuffer toAppendTo, FieldPosition pos)`
  Specialization of format.
  `abstract StringBuffer`
  NumberFormat.`format(long number, StringBuffer toAppendTo, FieldPosition pos)`
  Specialization of format.
  `StringBuffer`
  NumberFormat.`format(Object number, StringBuffer toAppendTo, FieldPosition pos)`
  Formats a number and appends the resulting text to the given string buffer.
  `StringBuffer`
  SimpleDateFormat.`format(Date date, StringBuffer toAppendTo, FieldPosition pos)`
  Formats the given `Date` into a date/time string and appends the result to the given `StringBuffer`.
  Methods in java.text with parameters of type StringBuffer
  Modifier and Type
  Method
  Description
  `StringBuffer`
  ChoiceFormat.`format(double number, StringBuffer toAppendTo, FieldPosition status)`
  Returns pattern with formatted double.
  `StringBuffer`
  ChoiceFormat.`format(long number, StringBuffer toAppendTo, FieldPosition status)`
  Specialization of format.
  `StringBuffer`
  CompactNumberFormat.`format(double number, StringBuffer result, FieldPosition fieldPosition)`
  Formats a double to produce a string representing its compact form.
  `StringBuffer`
  CompactNumberFormat.`format(long number, StringBuffer result, FieldPosition fieldPosition)`
  Formats a long to produce a string representing its compact form.
  `final StringBuffer`
  CompactNumberFormat.`format(Object number, StringBuffer toAppendTo, FieldPosition fieldPosition)`
  Formats a number to produce a string representing its compact form.
  `final StringBuffer`
  DateFormat.`format(Object obj, StringBuffer toAppendTo, FieldPosition fieldPosition)`
  Formats the given `Object` into a date-time string.
  `abstract StringBuffer`
  DateFormat.`format(Date date, StringBuffer toAppendTo, FieldPosition fieldPosition)`
  Formats a `Date` into a date-time string.
  `StringBuffer`
  DecimalFormat.`format(double number, StringBuffer result, FieldPosition fieldPosition)`
  Formats a double to produce a string.
  `StringBuffer`
  DecimalFormat.`format(long number, StringBuffer result, FieldPosition fieldPosition)`
  Format a long to produce a string.
  `final StringBuffer`
  DecimalFormat.`format(Object number, StringBuffer toAppendTo, FieldPosition pos)`
  Formats a number and appends the resulting text to the given string buffer.
  `abstract StringBuffer`
  Format.`format(Object obj, StringBuffer toAppendTo, FieldPosition pos)`
  Formats an object and appends the resulting text to a given string buffer.
  `StringBuffer`
  ListFormat.`format(Object obj, StringBuffer toAppendTo, FieldPosition pos)`
  Formats an object and appends the resulting text to a given string buffer.
  `final StringBuffer`
  MessageFormat.`format(Object[] arguments, StringBuffer result, FieldPosition pos)`
  Formats an array of objects and appends the `MessageFormat`'s pattern, with format elements replaced by the formatted objects, to the provided `StringBuffer`.
  `final StringBuffer`
  MessageFormat.`format(Object arguments, StringBuffer result, FieldPosition pos)`
  Formats an array of objects and appends the `MessageFormat`'s pattern, with format elements replaced by the formatted objects, to the provided `StringBuffer`.
  `abstract StringBuffer`
  NumberFormat.`format(double number, StringBuffer toAppendTo, FieldPosition pos)`
  Specialization of format.
  `abstract StringBuffer`
  NumberFormat.`format(long number, StringBuffer toAppendTo, FieldPosition pos)`
  Specialization of format.
  `StringBuffer`
  NumberFormat.`format(Object number, StringBuffer toAppendTo, FieldPosition pos)`
  Formats a number and appends the resulting text to the given string buffer.
  `StringBuffer`
  SimpleDateFormat.`format(Date date, StringBuffer toAppendTo, FieldPosition pos)`
  Formats the given `Date` into a date/time string and appends the result to the given `StringBuffer`.

- ## Uses of StringBuffer in java.util.regex

  Methods in java.util.regex that return StringBuffer
  Modifier and Type
  Method
  Description
  `StringBuffer`
  Matcher.`appendTail(StringBuffer sb)`
  Implements a terminal append-and-replace step.
  Methods in java.util.regex with parameters of type StringBuffer
  Modifier and Type
  Method
  Description
  `Matcher`
  Matcher.`appendReplacement(StringBuffer sb, String replacement)`
  Implements a non-terminal append-and-replace step.
  `StringBuffer`
  Matcher.`appendTail(StringBuffer sb)`
  Implements a terminal append-and-replace step.

- ## Uses of StringBuffer in javax.swing.text.html.parser

  Methods in javax.swing.text.html.parser with parameters of type StringBuffer
  Modifier and Type
  Method
  Description
  `protected boolean`
  Parser.`parseMarkupDeclarations(StringBuffer strBuff)`
  Parse markup declarations.