Differences between String class and String Buffer class?
https://www.computersprofessor.com/2017/01/differences-between-string-class-and.html
Differences between string class and string buffer class:
String objects are immutable and string buffer objects are mutable.
Methods to manipulate the data are not available in string class. they are available in string buffer class
Mutable: mutable objects are these objects whose content can be modified.
Ex: String Bufferclass
Immutable: immutable objects are those objects whose content can’t be modified.
Ex: String class.
