Uses of Class java.lang.StringBuffer (Java SE 12 & JDK 12 )

## 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

    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.`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
    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.
    `StringBuffer` | CompactNumberFormat.`format​(Object number, StringBuffer toAppendTo, FieldPosition fieldPosition)` | Formats a number to produce a string representing its compact form.
    `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.
    `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` | 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`.
    `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.
    `StringBuffer` | CompactNumberFormat.`format​(Object number, StringBuffer toAppendTo, FieldPosition fieldPosition)` | Formats a number to produce a string representing its compact form.
    `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.
    `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` | 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`.
    `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.