试题详情
单项选择题 public class Person {  private name；  public Person（String name） {  this.name = name；  }  public int hashCode（） {  return 420；  }  }  Which is true？（） 

A、 The time to find the value from HashMap with a Person key depends on the size of the map.

B、 Deleting a Person key from a HashMap will delete all map entries for all keys of typePerson.

C、 Inserting a second Person object into a HashSet will cause the first Person object to beremoved as a duplicate.

D、 The time to determine whether a Person object is contained in a HashSet is constant and does NOT depend on the size of the map.

  • A

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