Java connectivity with sql

// hum

package ramesh.java;
import java.sql.*;
public class RameshJava {

    public static void main(String[] args) {

        try {
            Class.forName("oracle.jdbc.driver.OracleDriver");
            Connection con = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:xe","system","manager");
            Statement st = con.createStatement();
            st.executeUpdate("insert into ramesh values (5,'Raju')");

            con.close();
        }
        catch(Exception E){
            System.out.println("Exception caught "+E);
        }
     }
}


// java t point
import java.sql.*;
class OracleCon{
public static void main(String args[]){
try{
//step1 load the driver class
Class.forName("oracle.jdbc.driver.OracleDriver");

//step2 create  the connection object
Connection con=DriverManager.getConnection(
"jdbc:oracle:thin:@localhost:1521:xe","system","oracle");

//step3 create the statement object
Statement stmt=con.createStatement();

//step4 execute query
ResultSet rs=stmt.executeQuery("select * from emp");
while(rs.next())
System.out.println(rs.getInt(1)+"  "+rs.getString(2)+"  "+rs.getString(3));

//step5 close the connection object
con.close();

}catch(Exception e){ System.out.println(e);}

}
}