• Description: Sun Certified Programmer for J2SE 5.0 Upgrade Exam
• Passing Score: 0%
• Practice Test - Number of questions: 129 questions
• Simulation Test - Number of questions: 129 questions
• Simulation Test Duration: 120 minutes
• Has explanations: No

Given: 34. HashMap props = new HashMap(); 35. props.put(?key45?, ?some value?); 36. props.put(?key12?, ?some other value?); 37. props.put(?key39?, ?yet another value?); 38. Set s = props.keySet(); 39. // insert code here What, inserted at line 39, will sort the keys in the props HashMap?

Answer(s)

1. - Arrays.sort(s);
2. - s = new TreeSet(s);
3. - Collections.sort(s);
4. - s = new SortedSet(s);

- s = new TreeSet(s);