최신Oracle Java SE 11 Developer - 1Z0-819무료샘플문제

A. List<? extends Number> list = new ArrayList<Object>();

B. List<? extends Number> list = new ArrayList<Byte>();

C. List<? super Number> list = new ArrayList<Integer>();

D. List<? super Float> list = new ArrayList<Double>();

E. List<? super Short> list = new ArrayList<Number>();

A. The code does not compile.

B. It throws IllegalMonitorStateException.

C. It is subject to livelock.

D. It is subject to deadlock.

A. FooException is unchecked.

B. The body of foo can throw FooException or one of its subclasses.

C. FooException is a subclass of RuntimeError.

D. The body of foo can only throw FooException.

A. nothing

B. java.lang.IllegalAccessException is thrown.

C. null

D. It fails to compile.

E. Student

A. module PrintServiceProvider {
requires PrintServiceAPI;
provides org.printservice.spi.Print with
com.provider.PrintService;
}

B. module PrintServiceProvider {
requires PrintServiceAPI;
uses com.provider.PrintService;
}

C. module PrintServiceProvider {
requires PrintServiceAPI;
exports org.printservice.spi.Print with
D18912E1457D5D1DDCBD40AB3BF70D5D
com.provider.PrintService;
}

D. module PrintServiceProvider {
requires PrintServiceAPI;
exports org.printservice.spi;
}

A. The compilation fails due to an error in line 1.

B. 42

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

D. The compilation fails due to an error in line 5.

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

F. 17

G. The compilation fails due to an error in line 3.

A. Implement AutoCloseable and override the close method.

B. Extend AutoCloseable and override the close method.

C. Implement AutoCloseable and override the autoClose method.

D. Extend AutoCloseable and override the autoClose method.

A. java.lang.ArrayIndexOutOfBoundsException thrown

B. [0,0] = Red[1,0] = Black[2,0] = Blue

C. [0,0] = Red[0,1] = White[1,0] = Black[1,1] = Blue[2,0] = Yellow[2,1] = Green[3,0] = Violet

D. [0,0] = Red[0,1] = White[1,0] = Black[2,0] = Blue[2,1] = Yellow[2,2] = Green[2,3] = Violet

A.

B.

C.

D.

A. An exception is thrown at runtime.

B. -3

C. -2

D. The compilation fails.

A. Option E

B. Option B

C. Option A

D. Option D

E. Option C

A. The code does not compile.

B. The code throws an exception at runtime.

C. The code prints 25.

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

A. Loc2

B. Loc4

C. Loc3

D. Loc1

E. Loc2