摘要：编程中MySQL遇见的错误 Query : insert into user(username,PASSWORD,gender,email,telephone,introduce,activecode,state,registtime) values('1234','男','666@163.co.. 阅读全文

摘要：牛客网错题合集详解 枚举 1 enum AccountType 2 { 3 SAVING, FIXED, CURRENT; 4 private AccountType() 5 { 6 System.out.println(“It is a account type”); 7 } 8 } 9 clas 阅读全文