import java.sql.*;

public class JavaConnection {

public static void main(String[] args) throws ClassNotFoundException, SQLException {
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection  con=DriverManager.getConnection("jdbc:oracle:thin:@localhost:8080:xe","******","*******");
Statement st=con.createStatement();
String sql="select * from emp";
ResultSet rs=st.executeQuery(sql);
while(rs.next())
        System.out.println(rs.getInt(1)+" "+rs.getString(2));
con.close();

}
}