> i need to know the internal and external difference between
> 
> String str = "prad";
> String str = new String("prad");

My Java is a bit rusty, however - 

As far as I am aware, there is actually no internal difference between the two.

Externally "string" is just a shorthand way of writing New String("string");

Either way it is still an object.

There is a difference b/w 

int i = 1;
Integer i = new Integer(1);

HTH

What you need to know for?

Mark

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