Question

Assume that B is a class ,C and D are interfaces
which of the following statement is correct?
a. class A extends B implements D, implements C
b.class A extends B implements C, D
c. class A implements D,C extends B
d. class A implements D extends B,C

Answer 1

Output based on Class and Interface

Explanation:

B is class, C and D are interfaces

Multiple inheritance can be implement in java by using interface. So the correct option for this question is b. class A extends B implements C, D.

Without interface, we can not allow multiple inheritance concept. In java, if we try to apply multiple inheritance using class, the same thing can available in another class in a different way so that the subclass cannot choose which one to call.

Answer 2

Option(b) is the correct answer to the given question

Explanation:

• In the Java programming language we have used the extends keyword to inherit the class .
• In the java programming language we have used the implements keyword to inherit the interface in the class .However the to declared the interface we have used the interface keyword .
• So class A will inherit the class B and implements the class c and the class D
• All the other options are not follow the correct syntax that's why they are incorrect option .

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