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Muhammad

بِسمِ اللَّهِ الرَّحمٰنِ الرَّحيمِ

From: Sahiwal Division

Registered: 2012-03-22

Posts: 22,197

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Sun Certified Java Programmer (SCJP) Quiz Question.

Java Quizzes Sun Certified Java Programmer (SCJP)

Question:
Find the given file.

package com.concretepage;
public class Computer implements Device{
  public void doIt() { } 
}
abstract class Phone1 extends Computer { }
abstract class Phone2 extends Computer{
  public void doIt(int x) { }
}
class Phone3 extends Computer implements Device{
	public void doStuff() { } 
}
interface Device {
	public void doIt();
}
 

What is the result?

Option A):
Compilation fails with an error on line 10
Option B):
Compilation fails with an error on line 3
Option C):
Compilation fails with an error on line 6
Option D):
Compilation succeeds

Correct Answer is Option D):
Compilation succeeds

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