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問題 #1

Given:
LocalDate d1 = LocalDate.of(1997,2,7);
DateTimeFormatter dtf =
DateTimeFormatter.ofPattern( /*insert code here*/ );
System.out.println(dtf.format (d1));
Which pattern formats the date as Friday 7th of February 1997?

A. "eeee d'th of' MMMM yyyy"
B. "eeee d+"th of"+ MMMM yyyy"
C. "eeee dd'th of' MMM yyyy"
D. "eeee dd+"th of"+ MMM yyyy"

問題 #2

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

問題 #3

Assuming the user credentials are correct, which expression will create a Connection?

A.

B.

C.

D.

E.

問題 #4

Which statement about access modifiers is correct?

A. An abstract method can be declared with the private modifier.
B. An inner class cannot be declared with the public modifier.
C. An interface can be declared with the protected modifier.
D. An instance variable can be declared with the static modifier.
E. A local variable can be declared with the final modifier.

問題 #5

Given:

You want to obtain the Filechannel object on line 1.
Which code fragment will accomplish this?

A.

B.

C.

D.

問題與答案：