Oracle 1Z0-815 Online Practice Questions and Exam Preparation

Oracle 1Z0-815 Online Questions & Answers

• Question 41:

  Given:

  

  What is the output?

  A. 300
  B. Exception
  C. 200
  D. 100
  A. 300

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• Question 42:

  Given:

  

  What is known about the Sportscar class?

  A. The Sportscar class is a subclass of Automobile and inherits its methods.
  B. The Sportscar subclass cannot override setTurbo method from the superclass Automobile.
  C. The Sportscar class is a superclass that has more functionality than the Automobile class.
  D. The Sportscar class inherits the setTurbo method from the superclass Automobile.
  D. The Sportscar class inherits the setTurbo method from the superclass Automobile.

• Question 43:

  Which describes a characteristic of setting up the Java development environment?

  A. Setting up the Java development environment requires that you also install the JRE.
  B. The Java development environment is set up for all operating systems by default.
  C. You set up the Java development environment for a specific operating system when you install the JDK.
  D. Setting up the Java development environment occurs when you install an IDE before the JDK.
  D. Setting up the Java development environment occurs when you install an IDE before the JDK.

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  Reference: https://docs.oracle.com/javame/8.1/sdk-dev-guide/install.htm

• Question 44:

  Given:

  

  What is the result?

  A. 2134
  B. 2143
  C. 214
  D. 234
  C. 214

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• Question 45:

  Given the code fragment:

  

  What is the result?

  A. 23
  B. 12
  C. 123
  D. 13
  A. 23

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• Question 46:

  Given:

  

  What is the result?

  A. 4
  B. 3
  C. An exception is thrown at runtime.
  D. 5
  D. 5

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• Question 47:

  Given:

  Automobile.java

  

  Car.java

  

  What must you do so that the code prints 4?

  A. Remove the parameter from wheels method in line 3.
  B. Add @Override annotation in line 2.
  C. Replace the code in line 2 with Car ob = new Car();
  D. Remove abstract keyword in line 1.
  B. Add @Override annotation in line 2.

• Question 48:

  Given:

  

  executed with this command:

  java Main one two three

  What is the output of this class?

  A. The compilation fails.
  B. 1) one 2) two 3) three
  C. A java.lang.ArrayIndexOutOfBoundsException is thrown.
  D. 1) one
  E. nothing
  B. 1) one 2) two 3) three

• Question 49:

  Given:

  

  What is the result?

  A. Joe Marry
  B. Joe null
  C. null null
  D. null Mary
  D. null Mary

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• Question 50:

  Given the code fragment:

  

  What is the result?

  A. -1 : 2
  B. 2 : -1
  C. 2 : 3
  D. 3 : 0
  A. -1 : 2