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Submitted by c-admin on Wed, 05/29/2019 - 00:19
QID:
188
Type:
Category:
Question:
Given:
interface Worker { void performWork(); } class FastWorker implements Worker { public void performWork(){ } }
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 FastWorker getWorker(){ return new Worker(); }
B. public FastWorker getWorker(){ return new FastWorker(); }
C. public Worker getWorker(){ return new FastWorker(); }
D. public Worker getWorker(){ return new Worker(); }
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