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package condb;
import java.sql.*;
import java.lang.*;
 public class condb {
    public static void main(String[] args)
    {
      try {
        Class.forName("oracle.jdbc.driver.OracleDriver");
        String StrURL="jdbc:oracle:thin:@zz:1521:oradb";
        String user="zxy";
        String pwd="zxy";
        Connection Dbcon=DriverManager.getConnection(StrURL,user,pwd);
        System.out.print("���� success!");
        Statement Stat=Dbcon.createStatement() ;
        ResultSet result=Stat.executeQuery("select * from zxytesttbl");

        result.last()  ;
        int w =result.getRow() ;
        System.out.println("the resultset have " + w + " rows");
        Dbcon.close();
      }
      catch (ClassNotFoundException e){
      System.out.println(e);
      }
      catch (SQLException sqle){
        System.out.println(sqle);
      }
    }
}
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���� success!
java.sql.SQLException: ��ֻת��������Ч����: last
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