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Java | Abstract Class and Interface | Question 2

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  • Difficulty Level : Hard
  • Last Updated : 22 Apr, 2022

Which of the following is true about interfaces in java.

1) An interface can contain following type of members.
....public, static, final fields (i.e., constants) 
....default and static methods with bodies

2) An instance of interface can be created.

3) A class can implement multiple interfaces.

4) Many classes can implement the same interface.

(A)

1, 3 and 4

(B)

1, 2 and 4

(C)

2, 3 and 4

(D)

1, 2, 3 and 4

Answer: (A)

Explanation: The instance of an interface can’t be created because it acts as an abstract class.

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