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public class X {  public X aMethod() { return this;}  }  public class Y extends X {  }  Which two methods can be added to the definition of class Y?()

  • A、 public void aMethod() {}
  • B、 private void aMethod() {}
  • C、 public void aMethod(String s) {}
  • D、 private Y aMethod() { return null; }
  • E、 public X aMethod() { return new Y(); }

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更多 “ public class X {  public X aMethod() { return this;}  }  public class Y extends X {  }  Which two methods can be added to the definition of class Y?()A、 public void aMethod() {}B、 private void aMethod() {}C、 public void aMethod(String s) {}D、 private Y aMethod() { return null; }E、 public X aMethod() { return new Y(); }” 相关考题
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