java.lang
Class StringBuilder

java.lang.Object
  java.lang.StringBuilder

All Implemented Interfaces:

Serializable, Appendable, CharSequence

public final class StringBuilder
extends Object
implements Serializable, CharSequence, Appendable

Standard mutable string representation, as specified by the standard Java API.

Compliance: J2SE: 1.5 incomplete

See Also:

Serialized Form

Constructor Summary

StringBuilder()

StringBuilder(CharSequence seq)

StringBuilder(int length)

StringBuilder(String str)

Method Summary

StringBuilder	append(boolean b)
StringBuilder	append(char c)
StringBuilder	append(char[] str)
StringBuilder	append(char[] str, int offset, int len)
StringBuilder	append(CharSequence csq)
StringBuilder	append(CharSequence csq, int start, int end)
StringBuilder	append(double d)
StringBuilder	append(float f)
StringBuilder	append(int i)
StringBuilder	append(long l)
StringBuilder	append(Object obj)
StringBuilder	append(String str)
StringBuilder	append(StringBuffer sb)
StringBuilder	appendCodePoint(int codePoint)
int	capacity()
char	charAt(int index)
int	codePointAt(int index)
int	codePointBefore(int index)
int	codePointCount(int beginIndex, int endIndex)
StringBuilder	delete(int start, int end)
StringBuilder	deleteCharAt(int index)
void	ensureCapacity(int minimumCapacity)
void	getChars(int srcBegin, int srcEnd, char[] dst, int dstBegin)
int	indexOf(String str)
int	indexOf(String str, int fromIndex)
StringBuilder	insert(int offset, boolean b)
StringBuilder	insert(int offset, char c)
StringBuilder	insert(int offset, char[] str)
StringBuilder	insert(int index, char[] str, int offset, int count)
StringBuilder	insert(int dstOffset, CharSequence s)
StringBuilder	insert(int dstOffset, CharSequence s, int start, int end)
StringBuilder	insert(int offset, double d)
StringBuilder	insert(int offset, float f)
StringBuilder	insert(int offset, int i)
StringBuilder	insert(int offset, long l)
StringBuilder	insert(int offset, Object obj)
StringBuilder	insert(int offset, String str)
int	lastIndexOf(String str)
int	lastIndexOf(String str, int fromIndex)
int	length()
int	offsetByCodePoints(int index, int codePointOffset)
StringBuilder	replace(int start, int end, String str)
StringBuilder	reverse()
void	setCharAt(int index, char ch)
void	setLength(int newLength)
CharSequence	subSequence(int start, int end)
String	substring(int start)
String	substring(int start, int end)
String	toString()
void	trimToSize()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

StringBuilder

public StringBuilder()

StringBuilder

public StringBuilder(int length)

StringBuilder

public StringBuilder(String str)

StringBuilder

public StringBuilder(CharSequence seq)

Method Detail

length

public int length()

Specified by:

length in interface CharSequence

capacity

public int capacity()

ensureCapacity

public void ensureCapacity(int minimumCapacity)

setLength

public void setLength(int newLength)

charAt

public char charAt(int index)

Specified by:

charAt in interface CharSequence

getChars

public void getChars(int srcBegin,
                     int srcEnd,
                     char[] dst,
                     int dstBegin)

setCharAt

public void setCharAt(int index,
                      char ch)

append

public StringBuilder append(Object obj)

append

public StringBuilder append(String str)

append

public StringBuilder append(StringBuffer sb)

append

public StringBuilder append(char[] str)

append

public StringBuilder append(char[] str,
                            int offset,
                            int len)

append

public StringBuilder append(boolean b)

append

public StringBuilder append(char c)

Specified by:

append in interface Appendable

append

public StringBuilder append(CharSequence csq)

Specified by:

append in interface Appendable

append

public StringBuilder append(CharSequence csq,
                            int start,
                            int end)

Specified by:

append in interface Appendable

append

public StringBuilder append(int i)

append

public StringBuilder append(long l)

append

public StringBuilder append(float f)

append

public StringBuilder append(double d)

appendCodePoint

public StringBuilder appendCodePoint(int codePoint)

codePointAt

public int codePointAt(int index)

codePointBefore

public int codePointBefore(int index)

codePointCount

public int codePointCount(int beginIndex,
                          int endIndex)

offsetByCodePoints

public int offsetByCodePoints(int index,
                              int codePointOffset)

lastIndexOf

public int lastIndexOf(String str)

lastIndexOf

public int lastIndexOf(String str,
                       int fromIndex)

delete

public StringBuilder delete(int start,
                            int end)

deleteCharAt

public StringBuilder deleteCharAt(int index)

replace

public StringBuilder replace(int start,
                             int end,
                             String str)

substring

public String substring(int start)

subSequence

public CharSequence subSequence(int start,
                                int end)

Specified by:

subSequence in interface CharSequence

substring

public String substring(int start,
                        int end)

insert

public StringBuilder insert(int index,
                            char[] str,
                            int offset,
                            int count)

insert

public StringBuilder insert(int offset,
                            Object obj)

insert

public StringBuilder insert(int offset,
                            String str)

insert

public StringBuilder insert(int offset,
                            char[] str)

insert

public StringBuilder insert(int offset,
                            boolean b)

insert

public StringBuilder insert(int offset,
                            char c)

insert

public StringBuilder insert(int offset,
                            int i)

insert

public StringBuilder insert(int offset,
                            long l)

insert

public StringBuilder insert(int offset,
                            float f)

insert

public StringBuilder insert(int offset,
                            double d)

indexOf

public int indexOf(String str)

indexOf

public int indexOf(String str,
                   int fromIndex)

reverse

public StringBuilder reverse()

toString

public String toString()

Specified by:

toString in interface CharSequence

Overrides:

toString in class Object

trimToSize

public void trimToSize()

insert

public StringBuilder insert(int dstOffset,
                            CharSequence s,
                            int start,
                            int end)

insert

public StringBuilder insert(int dstOffset,
                            CharSequence s)