Online Access Free 1Z0-804 Exam Questions

Given the code fragment:

What is the result?

• A.Null B null D
• B.D
• C.An exception is thrown at runtime
• D.Null B D
• E.B D

Given:

What is the result?

• A.An exception is thrown at runtime on line 9.
• B.threetwoone
• C.An exception is thrown at runtime on line 12
• D.onetwonull
• E.twoonenull
• F.onetwothree

Which statement creates a low overhead, low-contention random number generator that is isolated to thread to generate a random number between 1 and 100?

• A.int i = new random().nextInt(100)+1;
• B.int i = (int) Math.random(1, 101);
• C.int i = ThreadLocalRandom.current().nextInt(1, 101);
• D.int i = (int) Math.random()*100+1;
• E.int i = ThreadSafeRandom.current().nextInt(1, 101);

Given:

What is the result?

• A.true \ . . \ . . \annualreport.txt
• B.false \quarter\ . . \qtrlreport.txt
• C.true . . \ . . \ . . \ annualreport.txt
• D.false \sales\quarter\ . . \qtrlreport.txt

Given the code fragment:

What is the result when the result.txt file already exists in c:\student?

• A.An UnsupportedOperationException is thrown at runtime.
• B.The program replaces the file contents as well as the file attributes and prints Not equal.
• C.The program replaces only the file attributes and prints Not equal.
• D.The program replaces the file contents and the file's attributes and prints Equal.