What will be the output?
public interface InfA{
protected String getName();
}
public class Test implements InfA{
public String getName(){
return "test-name";
}
public static void main (String[] args){
Test t = new Test();
System.out.println(t.getName());
}
}
public interface InfA{
protected String getName();
}
public class Test implements InfA{
public String getName(){
return "test-name";
}
public static void main (String[] args){
Test t = new Test();
System.out.println(t.getName());
}
}A. test-name
B. Compilation fails due to an error on lines 2
C. Compilation fails due to an error on lines 1
D. Compilation succeed but Runtime Exception
E. None of these
Answer: Option B
Solution(By Examveda Team)
Illegal modifier for the interface method InfA.getName(); only public and abstracts are permitted.
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
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