## Uses of Class
java.lang.StringBuilder

Packages that use StringBuilder
java.lang: Provides classes that are fundamental to the design of the Java programming language.
java.util.regex: Classes for matching character sequences against patterns specified by regular expressions.

### Uses of StringBuilder in java.lang

Methods in java.lang that return StringBuilder
`StringBuilder` StringBuilder.`append(boolean b)`
`StringBuilder` StringBuilder.`append(char c)`
`StringBuilder` StringBuilder.`append(char[] str)`
`StringBuilder` StringBuilder.`append(char[] str, int offset, int len)`
`StringBuilder` StringBuilder.`append(double d)`
`StringBuilder` StringBuilder.`append(float f)`
`StringBuilder` StringBuilder.`append(int i)`
`StringBuilder` StringBuilder.`append(long lng)`
`StringBuilder` StringBuilder.`append(CharSequence s)`
`StringBuilder` StringBuilder.`append(CharSequence s, int start, int end)`
`StringBuilder` StringBuilder.`append(Object obj)`
`StringBuilder` StringBuilder.`append(String str)`
`StringBuilder` StringBuilder.`append(StringBuffer sb)` Appends the specified `StringBuffer` to this sequence.
`StringBuilder` StringBuilder.`appendCodePoint(int codePoint)`
`StringBuilder` StringBuilder.`delete(int start, int end)`
`StringBuilder` StringBuilder.`deleteCharAt(int index)`
`StringBuilder` StringBuilder.`insert(int offset, boolean b)`
`StringBuilder` StringBuilder.`insert(int offset, char c)`
`StringBuilder` StringBuilder.`insert(int offset, char[] str)`
`StringBuilder` StringBuilder.`insert(int index, char[] str, int offset, int len)`
`StringBuilder` StringBuilder.`insert(int offset, double d)`
`StringBuilder` StringBuilder.`insert(int offset, float f)`
`StringBuilder` StringBuilder.`insert(int offset, int i)`
`StringBuilder` StringBuilder.`insert(int offset, long l)`
`StringBuilder` StringBuilder.`insert(int dstOffset, CharSequence s)`
`StringBuilder` StringBuilder.`insert(int dstOffset, CharSequence s, int start, int end)`
`StringBuilder` StringBuilder.`insert(int offset, Object obj)`
`StringBuilder` StringBuilder.`insert(int offset, String str)`
`StringBuilder` StringBuilder.`replace(int start, int end, String str)`
`StringBuilder` StringBuilder.`reverse()`

Constructors in java.lang with parameters of type StringBuilder
Constructor and Description
`String(StringBuilder builder)` Allocates a new string that contains the sequence of characters currently contained in the string builder argument.

### Uses of StringBuilder in java.util.regex

Methods in java.util.regex that return StringBuilder
`StringBuilder` Matcher.`appendTail(StringBuilder sb)` Implements a terminal append-and-replace step.

Methods in java.util.regex with parameters of type StringBuilder
`Matcher` Matcher.`appendReplacement(StringBuilder sb, String replacement)` Implements a non-terminal append-and-replace step.
`StringBuilder` Matcher.`appendTail(StringBuilder sb)` Implements a terminal append-and-replace step.