Question 1

Given:

Which statement on line 1 enables this code fragment to compile?

Options :

A : Function function = String::toUpperCase;

B : UnaryOperator function = s > s.toUpperCase();

C : UnaryOperator<String> function = String::toUpperCase;

D : Function<String> function = m > m.toUpperCase();

Answer: C

Question 2

Which is a proper JDBC URL?

Options :

A : jdbe.mysql.com://localhost:3306/database

B : http://localhost.mysql.com:3306/database

C : http://localhost

mysql.jdbc:3306/database

D : jdbc:mysql://localhost:3306/database

Answer: D

Question 3

Given:

What is the result?

Options :

A : A java.util.NoSuchElementException is thrown at run time.

B : Ans : a

C : The compilation fails.

D : Ans :

Answer: A

Question 4

Given the code fragment:

What change on line 1 will make this code compile?

Options :

A : Add catch (L |N e).

B : Add catch (L |M N e).

C : Add catch (L e).

D : Add catch (N | L | M e).

E : Add catch (M |L e).

Answer: C

Question 5

Given the code fragment:

What is the result?

Options :

A : false true true

B : true false false

C : false false true

D : false true false

Answer: D

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