JAVA Language
Write a menu driven program to: (pleasecomplete all 4 steps and show output)
A- Evaluate a user input postfix expressions (assume perfectuser input at all times)
B- Convert, display infix expressions to postfix expressionsthen evaluate and display the result of the postfix expression(assume perfect user input at all times)
C- Reads words from a text file in a LinkedList and use aniterator on it to display all the words from the file (duplicatesallowed) in descending alphabetical order (4 words “tab” separatedper line), compare the time to traverse the list using an iteratorvs. using the get(index) method.
D- Exit
FYI: Postfix Notation: Postfix notation is
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