Make a Java program that:

Ask the user to enter a string. Using a stack check if a string is a palindrome or not? Ignore non-alpha characters and white spaces. Also ignore the case of characters. Here are some palindromes for testing:

Able was I ere I saw Elba.

A man, a plan, a canal: Panama.

I made border bards drowsy swords; drab, red robed am I.

Madam, Im Adam.

Rats live on no evil star.

Lion oil.