Exam 1z0-819 topic 1 question 146 discussion

Actual exam question from Oracle's 1z0-819

Question #: 146
Topic #: 1

Given:

and

public interface InterfaceTwo extends AbstractClass { }

and

and

Which three changes make this code compile? (Choose three.)

A. Implement methodC() in ConcreteClass
B. Implement methodB() in ConcreteClass
C. Add the keyword abstract to the methodA() and methodB() declarations in InterfaceOne
D. Remove methodA() from InterfaceOne
E. InterfaceTwo should no longer extend AbstractClass
F. Implement methodA() in ConcreteClass
G. Remove methodA() from AbstractClass

Show Suggested Answer

Suggested Answer: BDE 🗳️

by KiraguJohn at June 27, 2023, 11:07 a.m.

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5 months, 2 weeks ago

methodC(String c) in concrete class is an overloaded method ,and there is need for implementing methodC()..making ABE correct

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1 year, 6 months ago

Selected Answer: ABE

A,B,E is correct TESTED

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1 year, 7 months ago

BDE, methodB has not been implemented so it must be implemented in the concrete class Interface cannot extend a class can only extend other classes

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