import java.sql.*;

public class ColumnName{
	public static void main(String[] args) {
		System.out.println("Getting Column Names Example!");
		Connection con = null;
		String url = "jdbc:mysql://localhost:3306/";
		String db = "jdbctutorial";
		String driver = "com.mysql.jdbc.Driver";
		String user = "root";
		String pass = "root";
		try{
			Class.forName(driver);
			con = DriverManager.getConnection(url+db, user, pass);
			try{
				Statement st = con.createStatement();
				ResultSet rs = st.executeQuery("SELECT * FROM employee6");
				ResultSetMetaData md = rs.getMetaData();
				int col = md.getColumnCount();
				System.out.println("Number of Column : "+ col);
				System.out.println("Columns Name: ");
				for (int i = 1; i <= col; i++){
					String col_name = md.getColumnName(i);
					System.out.println(col_name);
				}
			}
			catch (SQLException s){
				System.out.println("SQL statement is not executed!");
			}
		}
		catch (Exception e){
			e.printStackTrace();
		}
	}
}