Update README.md

README.md

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 # Billing-System
 A GUI Based Complete Store Billing System in java that generates Invoice of each sale.
+================================================================
+Set up billing system server:
 
-      Requirments
-
-This Project Requires.
+Downloading and installing dependencies to the project
+1. Download the repository by clicking the green “<> Code” dropdown menu and clicking “Download ZIP”
+2. Open the project in an IDE (such as Eclipse)
+3. You need to have “com.mysql.jdbc.driver” in your PATH on your device, or you’ll have to add it as a dependency in your project.
+To do this, download the connector .jar file from here: https://dev.mysql.com/downloads/connector/j/5.0.html
+In the IDE (such as Eclipse), right click on the project.
+In the drop down menu click Build Path -> Configure Build Path…
+Click on “Classpath”
+Click on “Add External JARS…” on the rightside panel
+Navigate to where you downloaded the .jar file. For Example: “C:\Users\user1\Downloads\mysql-connector-j-8.4.0\mysql-connector-j-8.4.0.jar”
+Click the “mysql-connector-j-8.4.0.jar” file and Click Open
+Click “Apply and Close”
 
-Wamp Server Installed (Running).
+Creating and connecting to the database in MySQL
+REQUIREMENTS:
+MySQL
+MySQL Workbench
 
-Create database  "caddey"  and three tables "sale" , "users" and "stock".
+1. Open MySQL Workbench
+2. Open connection in MySQL Connections
+3. Write and execute the following queries:
+
+CREATE DATABASE caddey;
+USE caddey;
+CREATE TABLE users(
+	email varchar(255),
+	password varchar(255)
+);
+
+4. If you have a password on your “root” sql account, you’ll need to add the password into the code.
+In your editor (Eclipse), open the file src/DB.java.
+Edit line 22 to include your password. The line should look like this:
+
+conn = DriverManager.getConnection("jdbc:mysql://localhost/caddey","root", "");
+
+Put your password in the final quotation marks like this
+
+conn = DriverManager.getConnection("jdbc:mysql://localhost/caddey","root", "[PASSWORD]");
+
+5. You’ll need to add users in MySQL Workbench by interesting records into the “users” table using this command:
+
+INSERT INTO users (email, password)
+VALUES (“[username]”, “[password]”);
+
+You can enter more users by repeating this command with different usernames and passwords.
+
+NOTE: an account with the username “admin” is special and has additional privileges in this program.
+
+You should now be able to run the Login.java file and enter your username and password to access the program.
+
+Creating the “stock” and “sale” databases
+1. We’ll need to create a table named “stock” with the column names “ProductID”, “Detail”, “Company”, and “Quantity”. To create this table, execute the following command in MySQL Workbench:
+
+CREATE TABLE stock(
+	ProductID varchar(255),
+	Detail varchar(255),
+	Company varchar(255),
+	Quantity int
+);
+
+2. Create the table named “sale” with the column names “ProductID”, “Date”, “Company”,and “Payment.” Enter the following command into MySQL Workbench:
+
+CREATE TABLE stock(
+	Date varchar(255),
+	ProductID varchar(255),
+	Company varchar(255),
+	Payment varchar(255)
+);
+
+Now with the database set up, you are ready to begin using the program. To run the program, run the Login.java file in you text editor (Eclipse).