Oracle 1Z0-815 Online Practice Questions and Exam Preparation

Oracle 1Z0-815 Online Questions & Answers

• Question 61:

  Given the code fragment:

  

  What is the result?

  A. ab cd ef
  B. An ArrayIndexOutOfBoundsException is thrown at runtime.
  C. The compilation fails.
  D. abc def
  E. ad be cf
  D. abc def

• Question 62:

  Given:

  

  If file "App.config" is not found, what is the result?

  A. Configuration is OK
  B. The compilation fails.
  C. Exception in thread "main" java.lang.Error: Fatal Error: Configuration File, App.config, is missing.
  D. nothing
  B. The compilation fails.

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• Question 63:

  Which two statements are correct about try blocks? (Choose two.)

  A. A try block can have more than one catch block.
  B. A finally block in a try-with-resources statement executes before the resources declared are closed.
  C. A finally block must be immediately placed after the try or catch blocks.
  D. A try block must have a catch block and a finally block.
  E. catch blocks must be ordered from generic to specific exception types.
  A. A try block can have more than one catch block.
  E. catch blocks must be ordered from generic to specific exception types.

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  Reference: https://beginnersbook.com/2013/04/try-catch-in-java/

• Question 64:

  Given: What is the result?

  

  A. A ClassCastException is thrown at runtime.
  B. AnotherClass#methodA() AnotherClass#methodA()
  C. The compilation fails.
  D. SomeClass#methodA() AnotherClass#methodA()
  E. AnotherClass#methodA() SomeClass#methodA()
  F. SomeClass#methodA() SomeClass#methodA()
  A. A ClassCastException is thrown at runtime.

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• Question 65:

  Given:

  

  What is the result?

  A. It throws a runtime exception.
  B. Value of Euler = 2.71828
  C. The code does not compile.
  D. Value of Euler = "2.71828"
  C. The code does not compile.

• Question 66:

  Given:

  

  What is the result?

  A. The compilation fails.
  B. abdf
  C. abd
  D. adf
  E. abcd
  A. The compilation fails.

• Question 67:

  Given:

  

  What is the result?

  A. The compilation fails.
  B. 1.99,2.99,0
  C. 1.99,2.99,0.0
  D. 1.99,2.99
  A. The compilation fails.

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• Question 68:

  Given:

  

  Which two statements are true if the method is added to Bar? (Choose two.)

  A. public Collection foo(Collection arg) { ... } overrides Foo.foo.
  B. public Collection foo(Stream arg) { ... } overloads Foo.foo.
  C. public List foo(Collection arg) { ... } overrides Foo.foo.
  D. public Collection foo(Collection arg) { ... } overloads Foo.foo.
  E. public Collection bar(Collection arg) { ... } overloads Foo.foo.
  F. public Iterable foo(Collection arg) { ... } overrides Foo.foo.
  C. public List foo(Collection arg) { ... } overrides Foo.foo.
  F. public Iterable foo(Collection arg) { ... } overrides Foo.foo.

• Question 69:

  Given the code fragment:

  

  What is the result?

  C. 1
  D. The program prints nothing.
  E. It prints 1 in the infinite loop.
  D. The program prints nothing.

• Question 70:

  Given: What is the result?

  

  A. Working Unknown
  B. Unknown
  C. Tuesday Unknown
  D. The compilation fails.
  E. Tuesday
  F. Working
  B. Unknown

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