题目内容:
A.Class.forName("oracle.jdbc.OracleDriver");B.conn=DriverManager.getConnection(url,username,userpwd);
C.stmt=conn.prepareStatement(sql);
D.privateStringurl="jdbc:oracle:thin:@localhost:1521:orcl";
参考答案:
B.conn=DriverManager.getConnection(url,username,userpwd);
C.stmt=conn.prepareStatement(sql);
D.privateStringurl="jdbc:oracle:thin:@localhost:1521:orcl";