Oracle
1Z0-851 · Question #99
Given: 1. import java.util.*; 2. 3. public class Explorer3 { 4. public static void main(String[] args) { 5. TreeSet<Integer> s = new TreeSet<Integer>(); 6. TreeSet<Integer> subs = new…
The correct answer is B. An exception is thrown at runtime. Exception in thread "main" java.lang.IllegalArgumentException: key out of range at java.util.TreeMap$NavigableSubMap.put(TreeMap.java:1386) at java.util.TreeSet.add(TreeSet.java:238) at Explorer3.main(Explorer3.java:11)
Analyzing and Troubleshooting System Problems
Question
Given: 1. import java.util.*; 2. 3. public class Explorer3 { 4. public static void main(String[] args) { 5. TreeSet<Integer> s = new TreeSet<Integer>(); 6. TreeSet<Integer> subs = new TreeSet<Integer>(); 7. for (int i = 606; i < 613; i++) 8. if (i % 2 == 0) 9. s.add(i); 10. subs = (TreeSet) s.subSet(608, true, 611, true); 11. subs.add(629); 12. System.out.println(s + " " + subs); 13. } 14.} What is the result?
Options
- ACompilation fails.
- BAn exception is thrown at runtime.
- C[608, 610, 612, 629] [608, 610]
- D[608, 610, 612, 629] [608, 610, 629]
- E[606, 608, 610, 612, 629] [608, 610]
- F[606, 608, 610, 612, 629] [608, 610, 629]
How the community answered
(40 responses)- B73% (29)
- C15% (6)
- D3% (1)
- E8% (3)
- F3% (1)
Explanation
Exception in thread "main" java.lang.IllegalArgumentException: key out of range at java.util.TreeMap$NavigableSubMap.put(TreeMap.java:1386) at java.util.TreeSet.add(TreeSet.java:238) at Explorer3.main(Explorer3.java:11)
Topics
#Java TreeSet#subSet#IllegalArgumentException#NavigableSet bounds
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