In this section, you will learn how to work with StringBuffer and append data to it. The StringBuffer is a class that implements multiple sequence of characters. The following program construct a string buffer that has '0' capacity. This program inserts the data in the string buffer using the insert() method that provides the facility for adding the data in any positions. But the append() method also add data in string buffer in ending position. This method inserts always last or end position.
Description of code:
This is the constructor of StringBuffer class that implements multiple sequence of characters. This constructor constructs a string buffer that have no characters. It takes initial capacity that have to initialized.
insert(int pos, String str):
This method inserts the string into the object of StringBuffer. It takes following parameters:
is the position that have to be used for inserting the data.
str: This is the string that have to inserted.
This is the method that inserts the string into string buffer. It always inserts a string at last position.
Here is the code of program
Output of program:
StringBuffer insert and append example!