public void setOrders(Set
this.orders = orders;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
public class User {
private int id;
private String username;
private String password;
//这里需要注意的是使用集合必须使用Set,而不能用HashSet,否者在插入数据的时候会抛出一个参数不匹配异常
private Set
public Set
return orders;
}
public void setOrders(Set
this.orders = orders;
}
public int getId() {
return id;
}