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Oracle

1Z0-819 · Question #142

1Z0-819 Question #142: Real Exam Question with Answer & Explanation

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Question

Given: public interface InterfaceOne { void printOne(); } Which three classes successfully override printOne()? (Choose three.)

Options

  • Apublic abstract class TestClass implements InterfaceOne { public abstract void printOne(); }
  • Bpublic class TestClass implements InterfaceOne { private void printOne() { System.out.println("one"); } }
  • Cpublic class TestClass implements InterfaceOne { public void printOne() { System.out.println("one"); } }
  • Dpublic abstract class TestClass implements InterfaceOne { public void printOne() { System.out.println("one"); } }
  • Epublic abstract class TestClass implements InterfaceOne { public String printOne() { return "one"; } }
  • Fpublic class TestClass { public void printOne() { System.out.println("one"); } }

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