ICSE Class 10 Constructors

Which keyword is used to define a constructor?

• constructor

• init

• class name

• method

When is a constructor called?

• When an object is created

• When class is defined

• When variable declared

• When method is invoked

Which of these is true about constructor?

• Has same name as class

• Has return type

• Can be abstract

• Called using . operator

Which of the following is NOT a type of constructor?

• Default

• Parameterized

• Copy

• Destructor

If no constructor is defined, Java provides:

• No constructor

• Default constructor

• Error

• Destructor

Which of the following about constructors is false?

• They initialize objects

• They can be overloaded

• They can return int

• They have no return type

What differentiates constructor from method?

• Constructor initializes object; method defines behavior

• Method has same name as class

• Constructor must return value

• Constructor always static

Which is valid constructor?

• Student.Student()

• Student()

• void Student()

• constructor Student()

Which of these is true?

• Constructor can be inherited

• Constructor cannot be inherited

• Constructor must be static

• Constructor cannot be overloaded

Which is NOT a characteristic of constructor?

• Executes automatically on object creation

• Can take parameters

• Has no return type

• Can be invoked explicitly without new