Java OCA OCP Practice Question 1598

Question

Given: 

interface Printable  {
   void  print ();
}

class Paper  implements Printable  {
   public void  print (){  }
}

You are creating a class that follows "program to an interface" principle.

Which of the following line of code will you most likely be using?.

Select 1 option 

A. public Paper getPrintable (){
      return new Printable ();
   }/*from www.  j  av  a2s .  c  o m*/
B. public Paper getPrintable (){
      return new Paper ();
   }
C. public Printable getPrintable (){
      return new Paper ();
   }
D. public Printable getPrintable (){
      return new Printable ();
   }



Correct Option is  : C

Note

Although not mentioned explicitly in the exam objectives, there are a few questions on this topic in the exam.




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