package?com.bignerdranch.android.lib; import?java.sql.Connection; import?java.sql.DriverManager; import?java.sql.SQLException; public?class?myClass?{ ????private?static?String?driver?=?"com.mysql.jdbc.Driver";//MySQL?驅動 ????private?static?String?url?=?"jdbc:mysql://localhost:3306/userdb?serverTimezone=UTC&verifyServerCertificate=false&useSSL=false";//MYSQL數(shù)據(jù)庫連接Url ????private?static?String?user?=?"root";//用戶名 ????private?static?String?password?=?"123456"; ????public?static?void?main(String?[]?args){ ????????new?Thread(new?Runnable()?{ ????????????@Override ????????????public?void?run()?{ ????????????????try?{ ????????????????????Class.forName(driver); ????????????????}?catch?(ClassNotFoundException?e)?{ ????????????????????e.printStackTrace(); ????????????????} ????????????????try?{ ????????????????????Connection?conn=?DriverManager.getConnection(url,user,password); ????????????????????if?(conn!=null){ ????????????????????????System.out.println("成功"); ????????????????????} ????????????????}?catch?(SQLException?e)?{ ????????????????????e.printStackTrace(); ????????????????} ????????????} ????????}).start(); ????} }這是新建的newMoudle的java類。能確定libs下百分之百已導入jdbc的jar包以及MySQL安裝配置完成。可運行時還是會報錯：1：java.lang.ClassNotFoundException: com.mysql.jdbc.Driver2：java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost:3306/userdb?serverTimezone=UTC&verifyServerCertificate=false&useSSL=false求各路大神幫幫忙,已經被這個問題困擾好多天了.