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Java | Constructors | Question 3

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  • Difficulty Level : Medium
  • Last Updated : 28 Jun, 2021

Which of the following is/are true about constructors in Java?

1) Constructor name should be same as class name.
2) If you don't define a constructor for a class, 
    a default parameterless constructor is automatically
    created by the compiler. 
3) The default constructor calls super() and initializes all 
   instance variables to default value like 0, null.
4) If we want to parent class constructor, it must be called in 
   first line of constructor.

(A) 1
(B) 1, 2
(C) 1, 2 and 3
(D) 1, 2, 3 and 4

Answer: (D)


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