StudentBudget2.java

import java.util.Scanner;

public class StudentBudget2 {
    public static void main(String[] args) {
        final int MAX_ENTRIES = 15;
        Scanner scanner = new Scanner(System.in);
        // Declare and allocate arrays for item names and monetary values
        String[] itemNames = new String[MAX_ENTRIES];
        float[] itemValues = new float[MAX_ENTRIES];

        // Initialize entry count
        int entryCount = 0;
        boolean validInput = false;
        // Loop to get user input for budget items
        do {
            System.out.print("Enter a negative or positive value for a budget item. Enter 0 to stop: ");
            if (scanner.hasNextFloat()) {
                float value = scanner.nextFloat();
                scanner.nextLine(); // Consume newline character
                if (value != 0 && entryCount < MAX_ENTRIES) {
                    System.out.print("Enter the name of the budget item: ");
                    String itemName = scanner.nextLine();

                    // Save values in arrays
                    itemValues[entryCount] = value;
                    itemNames[entryCount] = itemName;
                    entryCount++;
                    validInput = true;
                } else {
                    break;
                }
            } else {
                System.out.print("Invalid Input");
                break;
            }

        } while (entryCount < MAX_ENTRIES);

        // Print budget items and values
        // exit if invalid input 
        if (validInput) {
            System.out.println("\nBudget Items:");
            for (int i = 0; i < entryCount; i++) {
                printBudgetItem(itemNames[i], itemValues[i]);
            }
            // Print total
            float total = calculateTotal(itemValues, entryCount);
            System.out.printf("\nTotal Budget: $%.2f\n", total);
        }
        scanner.close();
    }
    // Method to format and print each budget item
    private static void printBudgetItem(String itemName, float value) {

        // take value to string get length
        if (value < 0) {
            System.out.printf("%-20s: ($%.2f)\n", itemName, Math.abs(value));
        } else {
            System.out.printf("%-20s: $%.2f\n", itemName, value);
        }
    }
    // Method to calculate the total of budget item values123
    private static float calculateTotal(float[] values, int count) {
        float total = 0;
        for (int i = 0; i < count; i++) {
            total += values[i];
        }
        return total;
    }
}