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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
What could be true about Class.getInstance() considering that it defines the getInstance() method
What could be true about Class.getInstance() considering that it defines the getInstance() method
What could be true about Class.getInstance() considering that it defines the getInstance() method?
a)