Given the code fragment:

What is the result?

• A.2 4 6 8
• B.2 4 6 B 10
• C.1 3 5 7 9 11
• D.13 5 7 9

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Given:

You want the code to produce this output:
John
Joe
Jane
Which code fragment should be inserted on line 1 and line 2 to produce the output?

• A.Insert Comparator<Person> on line 1.
  Insert
  public int compare(Person person) {
  return person.name.compare(this.name);
  }
  on line 2.
• B.Insert Comparator<Person> on line 1.
  Insert
  public int compareTo(Person person) {
  return person.name.compareTo(this.name);
  }
  on line 2.
• C.Insert Comparator<Person> on line 1.
  Insert
  public int compare(Person p1, Person p2) {
  return p1.name.compare(p2.name);
  }
  on line 2.
• D.Insert Comparable<Person> on line 1.
  Insert
  public int compare(Person p1, Person p2) {
  return p1.name.compare(p2.name);
  }
  on line 2.

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Given the code fragment:

What is the result?

• A.-3
• B.2
• C.1
• D.-1

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Given:

What is the result?

• A.2134
• B.2143
• C.214
• D.234

Correct Answer: C

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Given:

What is the result?

• A.Keys: 0 Values: 0 Map: 0
• B.Keys: 0 Values: 0 Map:
• C.Keys: 4 Values: 4 Map: 4
• D.Keys: 4 Values: 4 Map: 0
• E.The compilation fails.

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