TemperatureConverter.java

import java.util.Scanner;

public class TemperatureConverter {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        double temperature, converted;
        char unit;

        System.out.println("Temperature Converter");

        System.out.print("Enter temperature value: ");
        temperature = sc.nextDouble();

        System.out.print("Enter unit (C for Celsius, F for Fahrenheit): ");
        unit = sc.next().charAt(0);

        if (unit == 'C' || unit == 'c') {
            converted = (temperature * 9 / 5) + 32;
            System.out.printf("%.2f Celsius = %.2f Fahrenheit%n", temperature, converted);
        } else if (unit == 'F' || unit == 'f') {
            converted = (temperature - 32) * 5 / 9;
            System.out.printf("%.2f Fahrenheit = %.2f Celsius%n", temperature, converted);
        } else {
            System.out.println("Invalid unit! Please enter C or F.");
        }

        sc.close();
    }
}