package firstsubroutines;
import java.util.Scanner;
//tell user to write a word
public class firstsubroutines {
public static void main(String[] args){
System.out.println("You are prompted to enter a string:");
String input = userScanner();
input = stripSpecialChars(input);
String word = input;
input = reverseinput(input);
palindromeTest(input,word);
}
//reverses the word
public static String reverseinput(String input){
String output = new StringBuilder(input).reverse().toString();
System.out.println(output);
return output;
}
//changes all farmatting to lowercase and removes non-letters
public static String stripSpecialChars(String input){
String output = input.toLowerCase();
output = output.replaceAll("[^a-zA-Z]","");
System.out.println(output);
return output;
}
//prevents an error if input is not a word
public static String userScanner(){
String inputTest = "";
try{
Scanner input = new Scanner(System.in);
inputTest = input.nextLine();
input.close();
}catch(java.util.InputMismatchException e){
System.out.println("Try another word.");
userScanner();
}
return inputTest;
}
//tests to see if original word and reverse word are palindromes
public static void palindromeTest(String input, String word){
String palindrome = "";
if(input.equals(word)){
palindrome = "This IS a Palindrome.";
}else{
palindrome = "This is NOT a palindrome.";
}
System.out.println(palindrome);
}}
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