Method | Description |
StringBuffer append(boolean b) | Appends the string representation of the boolean argument to the string buffer. |
StringBuffer append(char c) | Appends the string representation of the char argument to this string buffer. |
StringBuffer append(char[] str) | Appends the string representation of the char array argument to this string buffer. |
StringBuffer append(char[] str, int offset, int len) | Appends the string representation of a subarray of the char array argument to this string buffer. |
StringBuffer append(double d) | Appends the string representation of the double argument to this string buffer. |
StringBuffer append(float f) | Appends the string representation of the float argument to this string buffer. |
StringBuffer append(int i) | Appends the string representation of the int argument to this string buffer. |
StringBuffer append(long l) | Appends the string representation of the long argument to this string buffer. |
StringBuffer append(Object obj) | Appends the string representation of the Object argument to this string buffer. |
StringBuffer append(String str) | Appends the string to this string buffer. |
StringBuffer append(StringBuffer sb) | Appends the specified StringBuffer to this StringBuffer. |
int capacity() | Returns the current capacity of the String buffer. |
char charAt(int index) | The specified character of the sequence currently represented by the string buffer, as indicated by the index argument, is returned. |
StringBuffer delete(int start, int end) | Removes the characters in a substring of this StringBuffer. |
StringBuffer deleteCharAt(int index) | Removes the character at the specified position in this StringBuffer (shortening the StringBuffer by one character). |
voidensureCapacity(int minimumCapacity) | Ensures that the capacity of the buffer is at least equal to the specified minimum. |
voidgetChars(int srcBegin, int srcEnd, char[] dst, int dstBegin) | Characters are copied from this string buffer into the destination character array dst. |
int indexOf(String str) | Returns the index within this string of the first occurrence of the specified substring. |
int indexOf(String str, int fromIndex) | Returns the index within this string of the first occurrence of the specified substring, starting at the specified index. |
StringBuffer insert(int offset, boolean b) | Inserts the string representation of the boolean argument into this string buffer. |
StringBuffer insert(int offset, char c) | Inserts the string representation of the char argument into this string buffer. |
StringBuffer insert(int offset, char[] str) | Inserts the string representation of the char array argument into this string buffer. |
StringBuffer insert(int index, char[] str, int offset, int len) | Inserts the string representation of a subarray of the str array argument into this string buffer. |
StringBuffer insert(int offset, double d) | Inserts the string representation of the double argument into this string buffer. |
StringBuffer insert(int offset, float f) | Inserts the string representation of the float argument into this string buffer. |
StringBuffer insert(int offset, int i) | Inserts the string representation of the second int argument into this string buffer. |
StringBuffer insert(int offset, long l) | Inserts the string representation of the long argument into this string buffer. |
StringBuffer insert(int offset, Object obj) | Inserts the string representation of the Object argument into this string buffer. |
StringBuffer insert(int offset, String str) | Inserts the string into this string buffer. |
int lastIndexOf(String str) | Returns the index within this string of the rightmost occurrence of the specified substring. |
int lastIndexOf(String str, int fromIndex) | Returns the index within this string of the last occurrence of the specified substring. |
int length() | Returns the length (character count) of this string buffer. |
StringBuffer replace(int start, int end, String str) | Replaces the characters in a substring of this StringBuffer with characters in the specified String. |
StringBuffer reverse() | The character sequence contained in this string buffer is replaced by the reverse of the sequence. |
voidsetCharAt(int index, char ch) | The character at the specified index of this string buffer is set to ch. |
voidsetLength(int newLength) | Sets the length of this String buffer. |
CharSequence subSequence(int start, int end) | Returns a new character sequence that is a subsequence of this sequence. |
String substring(int start) | Returns a new String that contains a subsequence of characters currently contained in this StringBuffer.The substring begins at the specified index and extends to the end of theStringBuffer. |
String substring(int start, int end) | Returns a new String that contains a subsequence of characters currently contained in this StringBuffer. |
String toString() | Converts to a string representing the data in this string buffer. |