您的代码
Connection con=DriverManager.getConnection(
"jdbc:oracle:thin:@localhost:1521:xe","lms","abc");
更改为
Connection con=DriverManager.getConnection(
"jdbc:oracle:thin:@//localhost:1521:xe","lms","abc");
有关更多信息,请参见
http://www.orafaq.com/wiki/JDBC
需要另一个改变
stmt.executeUpdate("create table emp(eno number(5),name varchar2(20))");
改成
stmt.executeUpdate("create table emp(eno number(5),name varchar2(20));");