What will be the output of the program? TreeSet map = new TreeSet();…

PYQ RPSC Programmer 2011

What will be the output of the program?

TreeSet map = new TreeSet();

map.add("one");

map.add("two");

map.add("three");

map.add("four");

map.add("one");

Iterator it = map.iterator();

while (it.hasNext() )

{

System.out.print( it.next() + " ");

}

A.
one two three four
B.
four three two one
C.
four one three two
D.
one two three four one

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