Oracle 1Z0-851 exam questions

Oracle Java Standard Edition 6 Programmer Certified Professional Exam 1Z0-851
Exam Number/Code : 1Z0-851
Exam Name : Java Standard Edition 6 Programmer Certified Professional Exam
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Questions and Answers : 290Q&As
Update Time : 2013-11-27
Price : $79.00

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1.Given:
import java.util.*;
public class Explorer2 {
public static void main(String[] args) {
TreeSet<Integer> s = new TreeSet<Integer>();
TreeSet<Integer> subs = new TreeSet<Integer>();
for(int i = 606; i < 613; i++)
if(i%2 == 0) s.add(i);
subs = (TreeSet)s.subSet(608, true, 611, true);
s.add(629);
System.out.println(s + ” ” + subs);
}
}
What is the result?
A. Compilation fails.
B. An 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]
Answer: E

2.Given:
public class Score implements Comparable<Score> {
private int wins, losses;
public Score(int w, int l) { wins = w; losses = l; }
public int getWins() { return wins; }
public int getLosses() { return losses; }
public String toString() {
return “<” + wins + “,” + losses + “>”;
}
// insert code here
}
Which method will complete this class?
A. public int compareTo(Object o){/*more code here*/}
B. public int compareTo(Score other){/*more code here*/}
C. public int compare(Score s1,Score s2){/*more code here*/}
D. public int compare(Object o1,Object o2){/*more code here*/}
Answer: B