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1Z0-803 · Question #189

Given the class definitions: And the code fragment of the main() method, What is the result?

The correct answer is B. Java. The program successfully compiles and executes the main method, producing the string 'Java' as its output.

Working with Inheritance

Question

Given the class definitions:

And the code fragment of the main() method, What is the result?

Exhibits

1Z0-803 question #189 exhibit 1
1Z0-803 question #189 exhibit 2

Options

  • AJava
  • BJava
  • CJava
  • DCompilation fails

How the community answered

(53 responses)
  • A
    2% (1)
  • B
    85% (45)
  • C
    8% (4)
  • D
    6% (3)

Why each option

The program successfully compiles and executes the main method, producing the string 'Java' as its output.

AJava

This choice is identical to the correct answer, implying it represents the same output.

BJavaCorrect

The output 'Java' is produced because the program's main method successfully compiles and executes, performing operations such as object instantiation, method calls, or field access within the defined classes that lead to this specific string being generated or printed.

CJava

This choice is identical to the correct answer, implying it represents the same output.

DCompilation fails

Compilation fails would occur if the class definitions or the main method contained syntax errors, type mismatches, or unresolved references, which is not the case if 'Java' is the result.

Concept tested: Java class execution and output

Source: https://docs.oracle.com/javase/tutorial/java/javaOO/initial.html

Topics

#inheritance#method overriding#polymorphism#constructors

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