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()
Solution
Break Down the Problem
- Identify the correct representation of a constructor in object-oriented programming.
- 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
-
Option a:
–classname()
- This is not correct because the constructor should not have a negative sign before the class name.
-
Option b:
classname()
- This is correct if the method is named the same as the class with no return type.
-
Option c:
()classnamed
- This is incorrect due to the wrong positioning of parentheses and class name.
-
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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