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单项选择题 public class Plant {  private String name;  public Plant(String name) { this.name = name; }  public String getName() { return name; }  }  public class Tree extends Plant {  public void growFruit() { }  public void dropLeaves() { }  }  Which is true?() 

A、 The code will compile without changes.

B、 The code will compile if public Tree() { Plant(); } is added to the Tree class.

C、 The code will compile if public Plant() { Tree(); } is added to the Plant class.

D、 The code will compile if public Plant() { this(”fern”); } is added to the Plant class.

E、 The code will compile if public Plant() { Plant(”fern”); } is added to the Plant class.

  • D
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