最新的Oracle 1Z0-816免費考試真題

問題1

Which two statements set the default locale used for formatting numbers, currency, and percentages? (Choose two.)

A. Locale.setDefault(Locale.Category.FORMAT, Locale.CANADA_FRENCH);

B. Locale.setDefault(Locale.Category.FORMAT, "zh-CN");

C. Locale.setDefault("es", Locale.US);

D. Locale.setDefault("en_CA");

E. Locale.setDefault(Locale.SIMPLIFIED_CHINESE);

正確答案: A,D

說明：（僅 Fast2test 成員可見）

問題2

Given:
jdeps -jdkinternals C:\workspace4\SimpleSecurity\jar\classes.jar
Which describes the expected output?

A. The -jdkinternals option analyzes all classes in the .jar for class-level dependencies on JDK internal APIs. If any are found, the results with suggested replacements are output in the console.

B. jdeps lists the module dependencies and the package names of all referenced JDK internal APIs. If any are found, the suggested replacements are output in the console.

C. The -jdkinternals option analyzes all classes in the .jar and prints all class-level dependencies.

D. jdeps outputs an error message that the -jdkinternals option requires either the -summary or the - verbose options to output to the console.

正確答案: B

說明：（僅 Fast2test 成員可見）

問題3

Given:

and
checkQuality(QUALITY.A);
and

Which code fragment can be inserted into the switch statement to print Best?

A. QUALITY.A

B. A

C. QUALITY.A.ValueOf()

D. A.toString()

正確答案: B

問題4

Given this enum declaration:

Examine this code:
System.out.println(Alphabet.getFirstLetter());
What code should be written at line 3 to make this code print A?

A. static String getFirstLetter() { return Alphabet.values()[1].toString(); }

B. static String getFirstLetter() { return A.toString(); }

C. final String getFirstLetter() { return A.toString(); }

D. String getFirstLetter() { return A.toString(); }

正確答案: B

問題5

Which code fragment compiles?

A. Option D

B. Option B

C. Option C

D. Option A

正確答案: A

說明：（僅 Fast2test 成員可見）

問題6

Which two statements correctly describe capabilities of interfaces and abstract classes? (Choose two.)

A. Interfaces cannot have static methods but abstract classes can.

B. Interfaces cannot have methods with bodies but abstract classes can.

C. Both interfaces and abstract classes can have final methods.

D. Interfaces cannot have instance fields but abstract classes can.

E. Interfaces cannot have protected methods but abstract classes can.

正確答案: D,E

說明：（僅 Fast2test 成員可見）

問題7

Which two are functional interfaces? (Choose two.)

A. Option D

B. Option B

C. Option C

D. Option E

E. Option A

正確答案: C,D

說明：（僅 Fast2test 成員可見）

問題8

Given:

What is the result?

A. The compilation fails at line 2.

B. Hello World

C. The compilation fails at line 8.

D. The compilation fails at line 9.

正確答案: B

說明：（僅 Fast2test 成員可見）

最新的Oracle Java SE 11 Programmer II - 1Z0-816免費考試真題

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