单项选择题
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.
单项选择题 WhichManclassproperlyrepresentstherelationship“ManhasabestfriendwhoisaDog”？（）
多项选择题 Assume that country is set for each class. Given： 10. public class Money { 11. private String country， name； 12. public getCountry（） { return country； } 13.} and： 24. class Yen extends Money { 25. public String getCountry（） { return super.country； } 26. } 27. 28. class Euro extends Money { 29. public String getCountry（String timeZone） { 30. return super.getCountry（）； 31. } 32. } Which two are correct？（）
单项选择题 public class CreditCard { private String cardlD； private Integer limit； public String ownerName； public void setCardlnformation（String cardlD， String ownerName， 28. Integer limit） { this.cardlD = cardlD； this.ownerName = ownerName； this.limit = limit； } } Which is true？（）