Write a java fx program ( please use java FX, not java swing ) about money converter. User able to input the amount and choose from the drop down button the currency
Java Swing Panel collapse into drop down on resize - Stack Overflow
java for complete beginners - combo boxes
Java Swing | JComboBox with examples - GeeksforGeeks
Java Swing - Dropdown Text Suggestion Component Example
Simple Dropdown menu in Java - Stack Overflow
How to have JComboBox drop down list which is wider than the JComboBox itself - Stack Overflow