Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;

public class Main {
    public static void main(String[] argv) throws Exception {
        int sum = 0;
        Class.forName("com.mysql.jdbc.Driver");
        Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/jdbctutorial", "root", "root");
        Statement st = con.createStatement();
        ResultSet res = st.executeQuery("SELECT SUM(col) FROM mytable");
        while (res.next()) {
            int c = res.getInt(1);
            sum = sum + c;
        }
        System.out.println("Sum of column = " + sum);
    }
}