In the code example below, you see the immutable String and the mutable StringBuilder class. Each is being passed as a parameter to a method. Knowing that Java only passes by value, what do you ...

Java strings are created and manipulated through the string class. Once created, a string is immutable -- its value cannot be changed. A string is sequence of characters. A class is a user-defined ...

it is not necessary to clone them since Strings are immutable. All these immutability flavors are invaluable for good defensive programming. And since Java does not provide much native language ...