摘要：
初学JAVA，程序写得过于繁琐，杂乱，希望高手多多意见，明天继续public abstract class Account { private Long id; private String password; private String name; private String personID; private String email; private Double balance =0.0; private Integer type; public Integer getType() { return type; } public void setType(Integer t... 阅读全文
