What is the output of the following program code?
abstract class C1{
	public C1(){ 
class C2 extends C1{ 
	public C2(){ 
class C3 extends C2{ 
	public C3(){ 
public class Test{ 
	public static void main(String[] a){ 
		new C3(); 

A. 12

B. 23

C. 123

D. 321

Answer: Option C

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Comments ( 1 )

  1. Sharanu Koti
    Sharanu Koti :
    5 years ago

    how this answer came?

Related Questions on Inheritence

Which is true?

A. "X extends Y" is correct if and only if X is a class and Y is an interface

B. "X extends Y" is correct if and only if X is an interface and Y is a class

C. "X extends Y" is correct if X and Y are either both classes or both interfaces

D. "X extends Y" is correct for all combinations of X and Y being classes and/or interfaces