Oracle Java SE 11 Developer - 1Z0-819무료 덤프문제 풀어보기

A. Hat at store 1

B. Hat at store 4

C. At once 0

D. An indexOutofBoundsException is thrown at runtime.

E. At once 1

A. left, right, setLeft, and setRight must be private.

B. left and right must be private.

C. isValid must be public.

D. setLeft and setRight must be protected.

A. [Lettuce, Kale]

B. [Lettuce, Kale]
[Seabass, Salmon]

C. A compilation error is thrown.

D. [Kale, Lettuce]
[Salmon, Seabass]

A. Function function = String::toUpperCase;

B. UnaryOperator<String> function = String::toUpperCase;

C. Function<String> function = m -> m.toUpperCase();

D. UnaryOperator function = s -> s.toUpperCase();

A. Stream<String> lines = Files.lines(INPUT_FILE_NAME);

B. var lines = Files.readAllLines(Paths.get(INPUT_FILE_NAME));

C. var lines = Files.lines(Paths.get(INPUT_FILE_NAME));

D. Stream lines = Files.readAllLines(Paths.get(INPUT_FILE_NAME));

A. The compilation succeeds.

B. The compilation fails due to an error in line 4.

C. The compilation fails due to an error in line 10.

D. The compilation fails due to an error in line 7.

E. The compilation fails due to an error in line 6.

F. The compilation fails due to an error in line 9.

G. The compilation fails due to an error in line 2.

A. Declare fields transient.

B. Make the class abstract.

C. Implement only writeReplace to replace the instance with a serial proxy and not readResolve.

D. Define the serialPersistentFields array field.

E. Implement only readResolve to replace the instance with a serial proxy and not writeReplace.

A. [A, B, C]
[A, B]

B. On line 9, an exception is thrown at run time.

C. [A, B, C]
[A, B, C]

D. [A, B, C]
followed by an exception thrown on line 11.

A.

B.

C.

D.

E.

A. A local variable can be declared with the final modifier.

B. An interface can be declared with the protected modifier.

C. An instance variable can be declared with the static modifier.

D. An abstract method can be declared with the private modifier.

E. An inner class cannot be declared with the public modifier.

A. The code compiles but does not print any result.

B. The code prints 25.

C. The code does not compile.

D. The code throws an exception at runtime.

A. option D

B. option C

C. option B

D. option A

A. float z = Math.round((int)(x/y),2);

B. float z = (float)(Math.round((float)x/y*100)/100);

C. float z = Math.round((float)x/y*100)/(float)100;

D. float z = Math.round((float)x/y,2);

A. m = p * (r * Math.pow(1 + r, n) / Math.pow(1 + r, n) - 1);

B. m = p * r * Math.pow(1 + r, n) / Math.pow(1 + r, n) - 1;

C. m = p * ((r * Math.pow(1 + r, n) / (Math.pow(1 + r, n)) - 1));

D. m = p * (r * Math.pow(1 + r, n) / (Math.pow(1 + r, n) - 1));