We know that strings are immutable or constants but string builder and string buffer are basically used to provide dynamic implementation of strings.but string builder is not thread safe that means ...

Stringbuffer:as we know in java string is immutable means we cannot reassign a new value to the same string object. that's why in java to provide mutability we use either stringbuffer or stringbuilder ...

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package com.in28minutes.java.string; public class StringBufferBuilderExamples { public static void main (String [] args) { // StringBuffer and StringBuilder are used when you want to modify // object ...