In Java programming, the keyword used to implement an interface in a class is:Question 4Answera.usesb.extendsc.requiresd.implements

What is the purpose of the "implements" keyword in Java?Question 6Answera.It is used to create an instance of a class.b.It is used to mark a class as abstract.c.It is used to indicate that a class is a subclass.d.It is used to indicate that a class implements an interface.

Explain the use of the interface in Java.

What is the output of the below Java program with an Interface?interface Car { int basePrice = 1000;}public class InterfaceTest2 implements Car { void changePrice() { basePrice = 2000; System.out.print(basePrice); } public static void main(String[] args) { new InterfaceTest2().changePrice(); }}Options20001000Compiler errorNone of these

Select the correct answerWhich 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 bodies2) An instance of interface can be created.3) A class can implement multiple interfaces.4) Many classes can implement the same interface.Options1, 3 and 42, 3 and 41, 2, 3 and 41, 2 and 4

Which of these keywords is used by a class to use an interface defined previously?Select one:ImplementimplementsImportsimport