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Oracle

1Z0-804 · Question #148

Which two are valid initialization statements?

The correct answer is D. SortedMap<Object, Object> m = new TreeMap<Object, Object> (); F. Map<List, ArrayList> m = new Hashtable<List, ArrayList>(). See the full explanation below for the reasoning.

Question

Which two are valid initialization statements?

Options

  • AMap<String, String> m = new SortedMap<String, String>();
  • BCollection m = new TreeMap<Object, Object>();
  • CHashMap<Object, Object> m = new SortedMap<Object, Object>();
  • DSortedMap<Object, Object> m = new TreeMap<Object, Object> ();
  • EHashtable m= new HashMap();
  • FMap<List, ArrayList> m = new Hashtable<List, ArrayList>();

How the community answered

(28 responses)
  • B
    4% (1)
  • C
    4% (1)
  • D
    79% (22)
  • E
    14% (4)

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