Difference between String and StringBuffer in Java
String
It represents a sequence of characters in Java by using a character array. It has the following Syntax:
String string-name; string-name=new String(“string”);
Example:
String sk;
sk=new String("Hello World");
StringBuffer:
StringBuffer is a peer class of String. While String creates strings of fixed_length, StringBuffer creates flexible length that can be modified in terms of both length and content. It is used to insert characters and sub-strings in the middle of a string or append another string to end.
| Method | Description |
| s1.setChartAt(n, `x`) | It modifies the nth character to x |
| s1.append(s2) | It appends the string s2 to s1 at the end |
| s1.insert(n, s2) | It inserts the string s2 at the position n of the string s1. |
| s1.setLength(n) | It sets the length of the string s1. If n |