Given:

Which two interfaces can you use to create lambda expressions? (Choose two.)

1. A. T
2. B. R
3. C. P
4. D. S
5. E. Q
6. F. U

Correct Answer: AF

Given the code fragment:

What is the result?

1. A. A compilation error occurs at line n1.
2. B. Logged out at: 2015-01-12T21:58:19.880Z
3. C. Can’t logout
4. D. Logged out at: 2015-01-12T21:58:00Z

Correct Answer: D

Given:

and the code fragment:

What is the result?

1. A. 0.0
2. B. 1500.0
3. C. A compilation error occur
4. D. 2000.0

Correct Answer: D

Given the code fragment:

Which two code fragments, when inserted at line n1 independently, result in the output PEEK: Unix?

1. A. .anyMatch ();
2. B. .allMatch ();
3. C. .findAny ();
4. D. .noneMatch ();
5. E. .findFirst ();

Correct Answer: E

Given that data.txt and alldata.txt are accessible, and the code fragment:

What is required at line n1 to enable the code to overwrite alldata.txt with data.txt?

1. A. br.close();
2. B. bw.writeln();
3. C. br.flush();
4. D. bw.flush();

Correct Answer: D