Oracle 1Z0-811 Online Practice Questions and Exam Preparation

Oracle 1Z0-811 Online Questions & Answers

• Question 31:

  Given:

  

  What is the result?

  A. The program compiles and nothing is printed.
  B. Iteration plus an increasing number is printed 100 times.
  C. Iteration plus an increasing number is printed 99 times.
  D. An error occurs during compilation.
  D. An error occurs during compilation.

• Question 32:

  You have been asked to develop a Java program that prints the elements of an array in reverse order.

  Which looping statement cannot be used to meet the requirement?

  A. enhanced for
  B. standard for
  C. while
  D. do-while
  D. do-while

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  Reference: https://www.javatpoint.com/java-program-to-print-the-elements-of-an-array-in-reverse-order

• Question 33:

  Which method identifier is correct according to Java naming conventions?

  A. BillCalculator
  B. calculateBill
  C. calculatebill
  D. Calculator
  D. Calculator

• Question 34:

  Given the code fragment:

  

  What is the result?

  A. false false -1
  B. true false 0
  C. true true 0
  D. false true -1
  B. true false 0

• Question 35:

  Given the contents of the Test.java file:

  

  What is the result?

  A. 200 : 400
  B. A compilation error occurs at line n1.
  C. A compilation error occurs at line n2.
  D. 100 : 400
  C. A compilation error occurs at line n2.

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• Question 36:

  Given the code fragment:

  

  What is the result?

  A. false false
  B. true true
  C. true false
  D. false true
  A. false false

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• Question 37:

  Given the code:

  

  Which code fragment, when inserted at line n1, enables the code to print sum is 30?

  A. int sum(int a, b) {
  B. int sum(int a, int b) {
  C. int sum(int, int) {
  D. int sum(int[] a, b) {
  D. int sum(int[] a, b) {

• Question 38:

  Given the code fragment:

  

  Which code fragment can be inserted at line n1 to enable the code to print 0.0?

  A. Ball b = null;
  B. weight = 0.0;
  C. Ball.weight = 0.0;
  D. Ball b = new Ball(0.0);
  E. Ball b = new Ball();
  D. Ball b = new Ball(0.0);

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• Question 39:

  Identify two class variables.

  A. private static int numberOfSquares = 20;
  B. public static int counter = 0;
  C. private Measure cm;
  D. public int size = 10;
  E. int scale = 35;
  A. private static int numberOfSquares = 20;
  B. public static int counter = 0;

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  Reference: https://www.tutorialspoint.com/What-are-class-variables-instance-variables-and-local-variables-in-Java

• Question 40:

  

  Given the code fragment:

  

  What is the result?

  A. 9
  B. 10
  C. 9
  D. 10
  B. 10

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