Oracle Oracle Certifications 1Z0-811 Questions & Answers

• Question 11:

  Identify three features of the Java programming language.

  A. distributed

  B. direct memory management

  C. multithreaded

  D. strongly typed

  E. dynamically typed

  Correct Answer: ACE

  Reference: https://www.tutorialspoint.com/What-are-the-major-features-of-Java-programming

• Question 12:

  Given the code fragment: What is the result?

  

  A. false true

  B. true true

  C. false false

  D. A runtime exception is thrown

  Correct Answer: B

• Question 13:

  

  Given the code fragment:

  

  What is the result?

  A. lotus jasmine

  B. lotus

  C. A compilation error occurs.

  D. lotus lily

  Correct Answer: D

  

• Question 14:

  Given the code fragment:

  

  What is the output?

  A. 8

  B. 3

  C. 0

  D. A compilation error occurs.

  Correct Answer: C

  

• Question 15:

  Given the code fragment: What is the result?

  

  A. [jasmine, rose, lily]

  B. A runtime exception is thrown.

  C. [jasmine, lily, lotus]

  D. [jasmine, rose, lotus, lily]

  Correct Answer: B

  

• Question 16:

  Given the code fragment:

  

  Which statement, when inserted at line n1, enables the code to print 0 2 4 6 8 10?

  A. count = (count++) +1;

  B. count = count++;

  C. count =+ 2;

  D. count += 2;

  Correct Answer: D

• Question 17:

  

  Given the code fragment:

  

  What is the result?

  A. 1

  B. 3

  C. 5

  D. Nothing is printed.

  Correct Answer: C

• Question 18:

  

  What is the meaning of "write once, run anywhere" in Java?

  A. Java programs are designed to run only in web browsers and, thus, can run wherever there is a browser.

  B. It is a marketing statement because Java programs must be compiled for a specific platform in order to run.

  C. Java programs can run on any Java Virtual Machine without being recompiled.

  D. Java programs, after being compiled, can run on any platform or device even without a Java Virtual Machine.

  Correct Answer: C

  Reference: https://www.geeksforgeeks.org/why-is-java-write-once-and-run-anywhere/

• Question 19:

  Given:

  

  What is the result?

  A. The code fails to compile. To make it compile, at line n1 insert: this () { }

  B. The code fails to compile. To make it compile, at line n2 insert: this ();

  C. The code fails to compile. To make it compile, at line n1 insert: Bus () { }

  D. The code compiles and prints: default

  luxury

  Correct Answer: C

  

• Question 20:

  Given:

  

  At which line does a compilation error occur?

  A. line 5

  B. line 2

  C. line 3

  D. line 7

  Correct Answer: A