Introduction to Program Coding: Java and BlueJ › MCQ Quiz - Class 8 - Programming › Question #25831
Single Choice Moderate

Qx += 5 is same as:

ID: #25831 MCQ Quiz - Class 8 - Programming 5 views
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#25831Q ID
ModerateDifficulty
MCQ Quiz - Class 8 - ProgrammingTopic
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  • A x = x + 5 ✔ ✖
  • B x = 5 ✔ ✖
  • C x = x - 5 ✔ ✖
  • D x = 5 - x ✔ ✖
Correct Answer

Explanation

Correct Answer Explanation:

x += 5 is a compound assignment operator, equivalent to x = x + 5. It adds 5 to the current value of x.

Why the other options are incorrect:

  • Option B: x = 5 would replace x's value with 5, ignoring the previous value.
  • Option C: x = x - 5 uses subtraction, not addition.
  • Option D: x = 5 - x is a different operation.
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