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java129-hashmap的方法
import java.util.Date; public class Car { private String brand;//品牌 private Date createDate; private int housepower;//马力 private int speed;//速度 public void setBrand(String brand) { this.brand = brand; }java129-hashmap的方法
import java.util.Date; public class Car { private String brand;//品牌 private Date createDate; private int housepower;//马力 private int speed;//速度 public void setBrand(String brand) { this.brand = brand; }