nerdexam
Oracle

1Z0-851 · Question #159

1Z0-851 Question #159: Real Exam Question with Answer & Explanation

Sign in or unlock 1Z0-851 to reveal the answer and full explanation for question #159. The question stem and answer options stay visible for context.

Question

Given: public interface A { public void m1(); } class B implements A { } class C implements A { public void m1() { } } class D implements A { public void m1(int x) { } } abstract class E implements A { } abstract class F implements A { public void m1() { } } abstract class G implements A { public void m1(int x) { } } What is the result?

Options

  • ACompilation succeeds.
  • BExactly one class does NOT compile.
  • CExactly two classes do NOT compile.
  • DExactly four classes do NOT compile.
  • EExactly three classes do NOT compile.

Unlock 1Z0-851 to see the answer

You've previewed enough free 1Z0-851 questions. Unlock 1Z0-851 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.

Full 1Z0-851 Practice