What will be the output?
class One{
final int a = 15;
}
class Two extends One{
final int a = 20;
}
public class Test extends Two{
final int a = 30;
public static void main(String args[]){
Test t = new One();
System.out.print(t.a);
}
}
class One{
final int a = 15;
}
class Two extends One{
final int a = 20;
}
public class Test extends Two{
final int a = 30;
public static void main(String args[]){
Test t = new One();
System.out.print(t.a);
}
}A. 15
B. 20
C. 30
D. Compiler Error
E. None of these
Answer: Option D
Solution(By Examveda Team)
We can't store super class object in subclass reference But we can store subclass object in super class reference.
This Question Belongs to Java Program >> Inheritence
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Comments ( 1 )
A. The process of acquiring properties and behaviors of one class by another
B. The process of creating objects
C. The process of encapsulation
D. The process of overloading methods
In Java, which keyword is used to implement inheritance between classes?
A. inheritsFrom
B. inherits
C. implements
D. extends
A. The class that inherits properties and behaviors
B. The child class
C. The class that is inherited from
D. The class that is marked as "final"
In Java, can a subclass inherit constructors from its superclass?
A. Only if the subclass is marked as "final"
B. Yes, a subclass inherits constructors from its superclass
C. Only if the superclass is marked as "static"
D. Only if the subclass is marked as "final"
In java language final is a keyword . it restrictions on class , methods and variable.
in this case we use super keyword.