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24. Which among the following represents correct constructor?a) –classname()b) classname()c) ()classnamed) ~classname()

Question

24. Which among the following represents correct constructor?

a) –classname()
b) classname()
c) ()classnamed
d) ~classname()

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Solution

Break Down the Problem

  1. Identify the correct representation of a constructor in object-oriented programming.
  2. Analyze the options provided.

Relevant Concepts

  • Constructor Definition: A constructor is a special method used to initialize objects. In most programming languages (like Java, C++, etc.), a constructor's name must exactly match the class name and has no return type.

Analysis and Detail

  1. Option a: –classname()

    • This is not correct because the constructor should not have a negative sign before the class name.
  2. Option b: classname()

    • This is correct if the method is named the same as the class with no return type.
  3. Option c: ()classnamed

    • This is incorrect due to the wrong positioning of parentheses and class name.
  4. Option d: ~classname()

    • This represents a destructor in languages like C++, not a constructor.

Verify and Summarize

After analyzing each option based on the definition of a constructor, the only choice that meets the criteria is option b.

Final Answer

The correct constructor representation is b) classname().

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