What is the difference between implicit and explicit String declaration in java?

For Example..

String herName = new String("clark");

and

String hisName = "michal";

1) The first piece of code exactly does, it will create new string
object in the heap memory with reference .

2) The second line of code , its an string literal which create
string object in string constant pool, not in actually heap memory.

Then what's the benefit, ?