Create Personal Expense Tracker using Java

he Personal Expense Tracker is a simple Java program that helps users track their expenses, categorize them, and manage their spending. The system allows users to add new expenses, view a list of recorded expenses, remove expenses, and calculate the total amount spent. Below is a detailed explanation of how the program works:

Create Personal Expense Tracker using Java

Explanation:

1. Expense Class:

   • This class represents a single expense with a description, amount, and category. It includes a method displayExpense() to print the expense details.

2. PersonalExpenseTracker Class:

   • This class contains the logic for adding, viewing, and removing expenses, as well as calculating the total expenses.

   • It uses an ArrayList to store multiple Expense objects.

   • The menu() method is the main interface of the program, where users can choose what to do (add, view, remove, show total, or exit).

   • It also has helper methods such as addExpense(), viewExpenses(), removeExpense(), and showTotalExpense() to implement the functionality.

Program Flow:

1. Add Expense:

   • Users can input a description, amount, and category for the expense, which is then added to the list.

2. View Expenses:

   • All added expenses are displayed, showing their description, amount, and category.

3. Remove Expense:

   • Users can remove an expense by specifying its index in the list.

4. Show Total Expenses:

   • The total of all expenses is calculated and displayed.

5. Exit:

   • The program ends.

Final Output: