What will be the output?
interface A{
public void method();
}
class One{
public void method(){
System.out.println("Class One method");
}
}
class Two extends One implements A{
public void method(){
System.out.println("Class Two method");
}
}
public class Test extends Two{
public static void main(String[] args){
A a = new Two();
a.method();
}
}
interface A{
public void method();
}
class One{
public void method(){
System.out.println("Class One method");
}
}
class Two extends One implements A{
public void method(){
System.out.println("Class Two method");
}
}
public class Test extends Two{
public static void main(String[] args){
A a = new Two();
a.method();
}
}A. will print Class One method
B. will print Class Two method
C. compiles fine but print nothing
D. Compilation Error
E. None of these
Answer: Option B
This Question Belongs to Java Program >> Interfaces And Abstract Classes
A. A contract specifying a set of methods that a class must implement
B. A class that cannot be instantiated
C. A class that contains only static methods
D. A subclass of the Object class
In Java, can a class implement multiple interfaces?
A. Interfaces cannot be implemented by classes
B. Only abstract classes can implement interfaces
C. No, a class can only implement one interface
D. Yes, a class can implement multiple interfaces
What is the purpose of an abstract class in Java?
A. To declare abstract methods
B. To provide a base class with common methods and fields
C. To make a class final
D. To declare abstract methods
Join The Discussion