Which of the following statements about Java constructors is true?

Java MCQ: Which of the following statements about Java constructors is true?

a) Constructors must have a return type
b) Constructors can be abstract
c) Constructors cannot be synchronized
d) Constructors do not have a return type

Answer:

d) Constructors do not have a return type

Explanation:

Constructors in Java are special methods used to initialize objects. They are called automatically when an object is created using the new keyword. One of the key characteristics of constructors is that they do not have a return type, not even void.

Constructors cannot be abstract, final, or synchronized because their primary purpose is to create and initialize objects. Attempting to use any of these modifiers with a constructor will result in a compilation error.

Understanding the nature and constraints of constructors is crucial for effective Java programming, especially when designing classes and managing object creation.

Reference links:

https://www.rameshfadatare.com/learn-java-programming/
https://www.javaguides.net/p/java-tutorial-learn-java-programming.html

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