| 
 |  | 
| 1.  | new StringBuffer(int size) |  |  |  | 2.  | new StringBuffer(String str) |  |  |  | 3.  | StringBuffer: append(char c) |  |  |  | 4.  | StringBuffer: append(char[] str, int offset, int len) |  |  |  | 5.  | StringBuffer: append(CharSequence s, int start, int end) |  |  |  | 6.  | StringBuffer: append(double d) |  |  |  | 7.  | StringBuffer: append(float f) |  |  |  | 8.  | StringBuffer: append(int intValue) |  |  |  | 9.  | StringBuffer: append(long lng) |  |  |  | 10.  | StringBuffer: append(String stringValue) |  |  |  | 11.  | StringBuffer: capacity |  |  |  | 12.  | StringBuffer: charAt(int index) |  |  |  | 13.  | StringBuffer: delete(int start, int end) |  |  |  | 14.  | StringBuffer: deleteCharAt(int pos) |  |  |  | 15.  | StringBuffer: getChars(int srcBegin, int srcEnd, char[] dst, int dstBegin) |  |  |  | 16.  | StringBuffer: insert(int offset, boolean b) |  |  |  | 17.  | StringBuffer: insert(int offset, char c) |  |  |  | 18.  | StringBuffer: insert(int offset, char[] str) |  |  |  | 19.  | StringBuffer: insert(int offset, double d) |  |  |  | 20.  | StringBuffer: insert(int offset, float f) |  |  |  | 21.  | StringBuffer: insert(int offset, int i) |  |  |  | 22.  | StringBuffer: insert(int offset, long l) |  |  |  | 23.  | StringBuffer: insert(int offset, Object obj) |  |  |  | 24.  | StringBuffer: insert(int offset, String stringValue) |  |  |  | 25.  | StringBuffer: lastIndexOf(String str) |  |  |  | 26.  | StringBuffer: length() |  |  |  | 27.  | StringBuffer: replace(int start, int end, String str) |  |  |  | 28.  | StringBuffer: reverse() |  |  |  | 29.  | StringBuffer: setCharAt(int index) |  |  |  | 30.  | StringBuffer: setLength(int length) |  |  |  | 31.  | StringBuffer: toString() |  |  |   
 |