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Answer:

The string that was an argument to the constructor.

Making an Exception

There are two constructors for Exception:

Exception()

and

Exception( String str )

The string supplied to the second form can later be extracted from the object using its getMessage() method. Usually a method should construct and throw an exception all in one statement:

if ( some problem )
  throw new Exception("Informative Message" ) ;

QUESTION 12:

Since Exception is not a final class, can it be extended?