Write a method automorphic$($int$)$ to input a number and print whether the number is an Automorphic number or not. Ar automorphic number is a number whose square "ends" in the same digits as the number itself. For example, $5^2=25.$

Write a program with class name "calculator" having three methods sum $($int$,$ int$),$ subtract$($int$,$ int$)$ and product$($int$,$ int$)$ which will calculate the sum, difference or product of two numbers using the concept of switch case.

Write a program to input a sentence and print all the vowel using method vowel$($String$)$ and all the consonants using the method consonant$($String$).$