public final class StringBuffer extends Object implements CharSequence
| Constructor and Description |
|---|
StringBuffer() |
StringBuffer(int length) |
StringBuffer(String str) |
public StringBuffer()
public StringBuffer(int length)
public StringBuffer(String str)
public StringBuffer append(boolean b)
public StringBuffer append(char c)
public StringBuffer append(char[] str, int offset, int len)
public StringBuffer append(double d)
public StringBuffer append(float f)
public StringBuffer append(int i)
public StringBuffer append(long l)
public StringBuffer append(Object obj)
public StringBuffer append(String str)
public int capacity()
public char charAt(int index)
charAt in interface CharSequencepublic StringBuffer delete(int start, int end)
public StringBuffer deleteCharAt(int index)
public void ensureCapacity(int minimumCapacity)
public void getChars(int srcBegin,
int srcEnd,
char[] dst,
int dstBegin)
public StringBuffer insert(int offset, boolean b)
public StringBuffer insert(int offset, char c)
public StringBuffer insert(int offset, double d)
public StringBuffer insert(int offset, float f)
public StringBuffer insert(int offset, int i)
public StringBuffer insert(int offset, long l)
public StringBuffer insert(int offset, Object obj)
public StringBuffer insert(int offset, String str)
public int length()
length in interface CharSequencepublic StringBuffer reverse()
public void setCharAt(int index,
char ch)
public void setLength(int newLength)
public String toString()
toString in interface CharSequencetoString in class Objectpublic StringBuffer StringBuffer(CharSequence cs)
public void trimToSize()
public StringBuffer append(CharSequence cs)
public StringBuffer append(CharSequence cs, int start, int end)
public StringBuffer insert(int offset, CharSequence cs)
public StringBuffer insert(int offset, CharSequence cs, int start, int end)
public CharSequence subSequence(int start, int end)
subSequence in interface CharSequenceCopyright © 2026. All rights reserved.