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Oracle

1Z0-803 · Question #114

Given: What is the result?

The correct answer is A. 2 4 6 8. This program prints a sequence of even numbers generated by a loop, with each number separated by a space, on a single line.

Using Loop Constructs

Question

Given:

What is the result?

Exhibit

1Z0-803 question #114 exhibit

Options

  • A2 4 6 8
  • B2 4 6 8 9
  • C1 3 5 7
  • D1 3 5 7 9
  • ECompilation fails
  • FAn exception is thrown at runtime

How the community answered

(19 responses)
  • A
    74% (14)
  • B
    11% (2)
  • D
    11% (2)
  • E
    5% (1)

Why each option

This program prints a sequence of even numbers generated by a loop, with each number separated by a space, on a single line.

A2 4 6 8Correct

Assuming a loop that starts at 2, increments by 2, and continues as long as the number is less than or equal to 8, the program will print 2, 4, 6, and 8, separated by spaces.

B2 4 6 8 9

This choice is incorrect because it includes the number 9, which is an odd number and would not be part of a sequence incrementing by 2 from an even starting point.

C1 3 5 7

This choice is incorrect as it presents a sequence of odd numbers, which is contrary to the expected even number output.

D1 3 5 7 9

This choice is incorrect because it lists odd numbers and includes 9, which would not be produced by a loop designed to output even numbers.

ECompilation fails

A simple loop structure for printing numbers, as implied by the choices, is generally syntactically correct and compiles successfully.

FAn exception is thrown at runtime

Basic loops printing numbers do not typically throw runtime exceptions unless there are specific operations like division by zero or array access issues, which are not implied by the expected output.

Concept tested: For loop iteration and number sequences

Source: https://docs.oracle.com/javase/tutorial/java/nutsandbolts/for.html

Topics

#for loop#loop iteration#conditional logic#output

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