Temperature Converter (Fahrenheit to Celsius)

A simple Java-based GUI application that converts temperatures from Fahrenheit to Celsius. Users can input a temperature in Fahrenheit, click the CONVERT button, and the equivalent Celsius temperature is displayed.

---

Features

• User-Friendly GUI: Built with Java Swing for a clean and simple interface.

• Temperature Conversion: Converts Fahrenheit to Celsius using the formula:

  [ C = (F - 32) \times \frac{5}{9} ]

• Placeholder Text: Input fields include placeholder text for guidance.

• Icons: Displays Fahrenheit and Celsius icons for better UX (stored in the resources/ folder).

---

Components

1. FToC.java

• Main class that runs the temperature conversion GUI application.
• GUI Elements:
  • tField1: Text field for user input (Fahrenheit).
  • tField2: Text field for displaying the result (Celsius).
  • CONVERT button: Triggers the conversion.
• ActionListener: Converts temperature on button click. Displays an error message for invalid input.

2. PlaceholderHandler.java

• Handles placeholder text in text fields.
• apply(): Sets placeholder text, removes it on focus, and restores it if the field is empty.

3. iconLoader.java

• Loads Fahrenheit and Celsius icons.
• loadIcon(): Loads and scales icons from the resources/ folder.
• getFahrenheitIcon() & getCelsiusIcon(): Return the respective icons.

---

Installation

1. Clone the Repository:

   git clone <repository-url>
   

2. Ensure Dependencies This project uses Java Swing, included in the JDK. No additional dependencies are required.

3. Resources Folder Ensure the resources/ folder contains the icons:

• fahrenheit.png
• celsius.png

Usage

Run the Program

Execute the FToC class. A window will appear with a text field for Fahrenheit input.

Enter Temperature

Type a temperature in Fahrenheit (e.g., 100) in the first text field.

Click "CONVERT"

The equivalent Celsius temperature will appear in the second text field.

Example

Input:

Temperature in °F: 100

Output:

Result in °C: 37.78 °C