Why can’t we declare a constructor as final in Java Why can’t we declare a constructor as final in Java? In Java, constructors are special methods used to initialize objects. The final key

What is an implicit constructor? How does it differ from an explicit constructor What is an implicit constructor? How does it differ from an explicit constructor? An implicit constructor is a special

Can we call a subclass constructor from a superclass constructor? Please explain Can we call a subclass constructor from a superclass constructor? Please explain. No, we cannot directly call a subclas

How would you use constructor injection in Spring Framework How would you use constructor injection in Spring Framework? Constructor injection in Spring Framework is used to inject dependencies into a

Can a constructor be inherited? Why or why not Can a constructor be inherited? Why or why not? No, a constructor cannot be inherited. This is because constructors are not members of a class but specia

How does a constructor in a base class get called when an object of a derived class is created How does a constructor in a base class get called when an object of a derived class is created? When an o

What is a static constructor? When should it be used What is a static constructor? When should it be used? A static constructor is a special type of constructor in object-oriented programming, specif

How would you use constructor overloading in Java? Provide an example How would you use constructor overloading in Java? Provide an example. Constructor overloading in Java is a technique where multip

Can you explain the difference between constructors and normal methods Can you explain the difference between constructors and normal methods? Constructors and normal methods serve different purposes

Discuss some scenarios where you would use a destructor instead of a constructor Discuss some scenarios where you would use a destructor instead of a constructor. A destructor is used in scenarios whe

What is a copy constructor? How is it different from a clone What is a copy constructor? How is it different from a clone? A copy constructor is a member function that initializes an object using anot

How does Java handle the situation when no constructor is provided in a class How does Java handle the situation when no constructor is provided in a class? In Java, when no constructor is provided in

Can we call a constructor directly from a method? Why or why not Can we call a constructor directly from a method? Why or why not? No, we cannot directly call a constructor from a method. Constructors

Explain how you can use ‘this’ keyword inside a constructor Explain how you can use ‘this’ keyword inside a constructor. The ‘this’ keyword in a constructor refers

What happens if a constructor is declared private in a class What happens if a constructor is declared private in a class? When a constructor is declared private in a class, it restricts the instantia

Can a constructor return a value? Elaborate on your answer Can a constructor return a value? Elaborate on your answer. A constructor does not return a value. It’s a special method in a class use

What is the role of a constructor in a class What is the role of a constructor in a class? A constructor in a class is a special method that initializes an object of that class. It sets the initial st

How do you handle constructor chaining in Java How do you handle constructor chaining in Java? Constructor chaining in Java is the process of calling one constructor from another with respect to the c

Can you explain the difference between a default constructor and a parameterized constructor Can you explain the difference between a default constructor and a parameterized constructor? A default con

What would be behaviour if the constructor has a return type What would be behaviour if the constructor has a return type? a) Compilation error b) Runtime error c) Compilation and runs successfully d)

What would be the behaviour if one parameterized constructor What would be the behaviour if one parameterized constructor is explicitly defined, but no default constructor is provided? a) Compilation

What is not the use of this keyword in Java What is not the use of this keyword in Java? a) Passing itself to another method b) Calling another constructor in constructor chaining c) Referring to the

What is true about protected constructor What is true about protected constructor? a) Protected constructor can be called directly b) Protected constructor can only be called using super() c) Protecte

Abstract class cannot have a constructor Abstract class cannot have a constructor. a) True b) False Answer: b Explanation: No instance can be created of abstract class. Only pointer can hold instance

What is true about constructor What is true about constructor? a) It can contain return type b) It can take any number of parameters c) It can have any non access modifiers d) Constructor cannot throw