What will be the output for the below code?
public interface TestInf{
int i =10;
}
public class Test{
public static void main(String... args){
TestInf.i=12;
System.out.println(TestInf.i);
}
}
public interface TestInf{
int i =10;
}
public class Test{
public static void main(String... args){
TestInf.i=12;
System.out.println(TestInf.i);
}
}A. Compile with error
B. 10
C. 12
D. Runtime Exception
E. None of these
Answer: Option A
Solution(By Examveda Team)
All the variables declared in interface is implicitly static and final , therefore can't change the value.
This Question Belongs to Java Program >> Interfaces And Abstract Classes
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Comments ( 1 )
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
But class test did not implement interface testinf.