Budget Tracker using Java With Source Code

Introduction :

The above code is a sample implementation of a budget tracker in Java. The BudgetTracker class keeps track of a user’s expenses and incomes, and calculates the current budget balance.

The class has a constructor BudgetTracker(), which initializes two ArrayList objects, one for expenses and one for incomes, as well as a double variable balance which is set to zero.

The class has three methods:

addExpense(double expense): This method takes in a double value as an argument, representing an expense, and adds it to the expenses ArrayList. It also subtracts the expense from the balance.
addIncome(double income): This method takes in a double value as an argument, representing an income, and adds it to the incomes ArrayList. It also adds the income to the balance.
getBalance() : This method returns the current balance
printExpenses() : This method prints out all the expenses stored in the expenses ArrayList
printIncomes() : This method prints out all the incomes stored in the incomes ArrayList

It’s worth noting that this is just a basic example, and you might want to add more features such as handling categories, displaying the balance in a specific currency,

Source Code

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					import java.util.ArrayList;

public class BudgetTracker {
    private ArrayList<Double> expenses;
    private ArrayList<Double> incomes;
    private double balance;

    public BudgetTracker() {
        expenses = new ArrayList<Double>();
        incomes = new ArrayList<Double>();
        balance = 0;
    }

    public void addExpense(double expense) {
        expenses.add(expense);
        balance -= expense;
    }

    public void addIncome(double income) {
        incomes.add(income);
        balance += income;
    }

    public double getBalance() {
        return balance;
    }

    public void printExpenses() {
        System.out.println("Expenses: ");
        for (double expense : expenses) {
            System.out.println(expense);
        }
    }

    public void printIncomes() {
        System.out.println("Incomes: ");
        for (double income : incomes) {
            System.out.println(income);
        }
    }
}

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Output

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