jdbc example insert data database

import java.sql.*;
class InsertData
{
    public static void main(String[] args)throws Exception  
    {
        Class.forName("oracle.jdbc.driver.OracleDriver");
        Connection con=DriverManager.getConnection
       ("jdbc:oracle:thin:@localhost:1521:xe","system","chandru");
        System.out.println(" Connected 2 DB.....");
       
        Statement stmt=con.createStatement();
        String vsql="insert into emp2 values(12,'chandu',100)";
       
        stmt.executeUpdate(vsql);
        System.out.println("Table has been created.....");

    }
}