Object Oriented Programming Through Java by Pearson

String 4.19

4.4.3 StringBuffer Class

String is a fixed length and modifying the length and content is not allowed, i.e., they cannot be

muted (they are immutable). StringBuffer class is meant to fulfill the gap in requirements of

programmers. We can insert in the middle or at the end of a string. Hence StringBuffer class

elements are mutable. Methods supported by StringBuffer class are shown in Table 4.4.

Example 4.12:  StringBufferDemo.java: To Show Usage of StringBuffer Class

Methods

1. package com.oops.chap4;

2. import java.util.*;

3. public class StringBufferDemo {

4. public static void main(String[] args) {

5. //create object of StringBuffer ...