Java Program to Create a Tutorial Course Invoice

In this article you will see how to generate a tutorial course invoice by using java programming language.

Java Program to Create a Tutorial Course Invoice

As per problem statement, you have to create an tutorial course invoice. You have provided with Course details specifying course id, course name, fee of the course.

Course Details


  • Two classes created Main class and Course class.
  • Main class is the driver class and Course class has all the properties of course.
  • In Main class, it will ask the user to enter required details like student name, course, id, course duration in months, course fee per month etc.
  • To create object of Course class we have created a constructor of it. All the course t properties are put in the constructor. This class contains two user defined methods displayFormat() and display() method to display bill details in console.


import java.util.ArrayList;  
import java.util.List;  
import java.util.Scanner;  
import java.text.SimpleDateFormat;    
import java.util.Date;    
import java.util.Calendar;  
class Course   
        //declaring variables 
        private String course_id;  
        private String course_name;  
        private int course_duration;  
        private double price;  
        private double total_price;  
        Course(String course_id, String course_name, int course_duration, double price, double total_price)   
            this.course_name = course_name;  
            this.course_duration = course_duration;  
            this.price = price;  
            this.total_price = total_price;  
            //getter methods  
            public String getId()   
                    return course_id;  
                public String getPname()   
                    return course_name;  
                public int getQty()   
                    return course_duration;  
                public double getPrice()   
                    return price;  
                public double getTotalPrice()   
                    return total_price;  
                //displayFormat() method to display the column names  
                public static void displayFormat()   
                    System.out.print("\nCourse ID \t\tName\t\tDuration(In Months)\t\tRate(Per Month) \tTotal Price\n");  
                //display() method  to display the column values
                public void display()   
                    System.out.format("   %-9s             %-9s           %5d                      %9.2f           %14.2f\n" ,course_id, course_name, course_duration, price, total_price);  
public class Main 
        public static void main(String args[])   
                //variables declared and initialized
                String courseId = null;  
                String courseName = null;  
                int duration = 0;  
                double price = 0.0;  
                double total_price = 0.0;  
                double overAllPrice = 0.0;  
                double cgst, sgst, subtotal=0.0, discount=0.0;  
                char option = '\0';  
                System.out.println("\t\t\t\t--------------------BtechGeeks Course Invoice-----------------");  
                System.out.println("\t\t\t\t\t "+"               "+"Hyderabad, India");   
                System.out.println("GSTIN: 03AYJKK932M762"+"\t\t\t\t\t\t\tContact: (+91) 9876543210");  
                //format of current date and time  
                SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss");    
                Date date = new Date();    
                Calendar calendar = Calendar.getInstance();  
                String[] days = new String[] { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Frcourse_iday", "Saturday" };  
                //Printing current date and time  
                System.out.println("Date: "+formatter.format(date)+"  "+days[calendar.get(Calendar.DAY_OF_WEEK) - 1]+"\t\t\t\t\t\t (+91) 9998887770");  
                Scanner sc = new Scanner(;  
                System.out.print("Enter Student Name: ");  
                String customername=sc.nextLine();  
                //create Scanner class object  
                //creating an ArrayList to store the course  
                List<Course> course = new ArrayList<Course>();  
                        //taking input values 
                        System.out.println("Enter the Course details: "); 
                        //Asking course ID
                        System.out.print("Course ID: ");  
                        courseId = sc.nextLine();  
                        //Asking course Name
                        System.out.print("Course Name: ");  
                        courseName = sc.nextLine();  
                        //Asking course Duration in months
                        System.out.print("Duration (in month): ");  
                        duration = sc.nextInt(); 
                        //Asking course Price per month
                        System.out.print("Price (per month): ");  
                        price = sc.nextDouble();  
                        //calculating total price for a specific course  
                        total_price = price * duration;  
                        //calculating overall price  
                        overAllPrice = overAllPrice + total_price;  
                        //creating Course class object and adding it to the List  
                        course.add( new Course(courseId, courseName, duration, price, total_price) );  
                        //asking for continue with other courses?  
                        System.out.print("Want to add more courses? (y or n): ");  
                        //reading a character y or Y or N or n 
                        option =;  
                        //read remaining characters, don't store (no use)  
                while (option == 'y' || option == 'Y');  
                //display all course with its properties  
                for (Course p : course)   
                //price calculation  
                System.out.println("\n\t\t\t\t\t\t\t\t\t\tTotal Amount (Rs.) " +overAllPrice);  
                //calculating discount amount 
                //Suppose we are offering 10% discount on total course fee
                discount = overAllPrice*10/100;  
                System.out.println("\n\t\t\t\t\t\t\t\t\t\t    Discount (Rs.) " +discount);  
                //calculating total amount after discount  
                subtotal = overAllPrice-discount;   
                System.out.println("\n\t\t\t\t\t\t\t\t\t\t          SubTotal "+subtotal);  
                //calculating tax amount 
                System.out.println("\n\t\t\t\t\t\t\t\t\t\t          SGST (%) "+sgst);  
                System.out.println("\n\t\t\t\t\t\t\t\t\t\t          CGST (%) "+cgst);  
                //calculating final amount to be paid
                System.out.println("\n\t\t\t\t\t\t\t\t\t\t     Invoice Total " +(subtotal+cgst+sgst));  
                System.out.println("\t\t\t\t    All the Best for Your Bright Future"); 
                System.out.println("\t\t\t\t----------------Thank You!!-----------------");  
                //Closing Scanner object


Java Program to Create a Tutorial Course Invoice

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