When javac decides how to translate greeting.append (who) into byte code, it looks up the StringBuffer class definition in the bootstrap classpath and selects this new method instead of append ...

Contribute to Shubham-Diwadkar/Java-Programming development by creating an account on GitHub.

Hence, it is preferable to work with StringBuffer instead of class String.so when we want to make fixed size string use string object and when we want perform operation like append remove we use ...