1z0-811問題集、Oracle実際の試験問題

質問 1

Given:

Which statement is true about the main method?

A. It can be a non-static method.

B. It cannot be defined in a non-public class.

C. It cannot be invoked by its name.

D. Its parameter can be of type Integer [].

正解: C

質問 2

Which method identifier is correct according to Java naming conventions?

A. calculatebill

B. Calculator

C. calculateBill

D. BillCalculator

正解: B

質問 3

Given:

What is the result?

A. [:null]

B. [null:-]

C. [ : ]

D. [null:null]

正解: B

質問 4

Given the code fragment:

What is the result?

A. 3

B. 4

C. The program executes an infinite number of times.

D. 2

正解: B

質問 5

Given these class definitions:

Which class or classes compile?

A. only MyClassB and MyClassD

B. MyClassA, MyClassB, MyClassC, and MyClassD

C. only MyClassB, MyClassC, and MyClassD

D. only MyClassB

正解: A

質問 6

Which statement is true about a mutator method?

A. It can be used to assign data to instance members.

B. It must be declared private.

C. It returns mutated instance members.

D. It replaces the default constructor.

正解: C

質問 7

Given the code fragment:

What is the result?

A. [BETATEST]

B. [ BETATEST ]

C. [ betaTest ]

D. [betaTest]

正解: A

質問 8

Given the code fragment:

What is the result?

A. Jack

B. Queen

C. The program prints either Jack or Queen.

D. A compilation error occurs at line n1.

正解: D

Oracle Java Foundations - 1z0-811 模擬練習