试题详情
单项选择题 public class ItemTest {  private final mt id；  public ItemTest（int id） { this.id = id； }  public void updateId（int newId） { id = newId； }  public static void main（String[] args） {  ItemTest fa = new ItemTest（42）；  fa.updateId（69）；  System.out.println（fa.id）；  }  }  What is the result？（） 

A、 Compilation fails.

B、 An exception is thrown at runtime.

C、 The attribute id in the Item object remains unchanged.

D、 The attribute id in the Item object is modified to the new value.

E、 A new Item object is created with the preferred value in the id attribute.

  • A

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