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I have a palindrome Assignment for my java class and was stuck on one part of the Assignment. So the pat where I am stuck is asking for me to determine the type of palindrome, that is I have to determine if the palindrome is a word, phrase, or number.
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I have uploaded the assignment guidelines in the attachment as well as my code.
import java.util.*;
public class Assign1 {
   static Scanner in = new Scanner(System.in);
   public static void main (String [] args) {
      String line = getInputLine();
      while (!isEmptyLine (line)) {
         if (isPalindrome (line))
            System.out.println ("\"" + line +
                  "\" is a palindrome and a " + getPalType (line));
         else
            System.out.println ("\"" + line + "\" is not a palindrome");
         line = getInputLine();
      }
      System.out.println ("End of program");
   }
   private static String getInputLine () {
      System.out.print("Enter a line of input: ");
      String inputString = in.nextLine();
      return inputString;
   }
   private static boolean isEmptyLine (String str) {
      boolean ifEmpty = false;
      if(str == null) {
         ifEmpty = true;
         return ifEmpty;
      }
      else
         return ifEmpty;
   }
   private static boolean isPalindrome (String str) {
      int left = 0;
      int right = str.length()-1;
      boolean okay = true;
      while(okay && left < right) {
         char ch1 = str.charAt(left);
         if((!Character.isDigit(ch1) && !Character.isAlphabetic(ch1))) {
            left++ ;
         }
         else {
            char ch2 = str.charAt(right);
            if ((!Character.isDigit(ch2) && !Character.isAlphabetic(ch2))) {
               right-- ;
            }
            else
            {
               ch1 = Character.toUpperCase(ch1);
               ch2 = Character.toUpperCase(ch2);
               if (ch1 == ch2) {
                  left++ ;
                  right-- ;
               }
               else
               {
                  okay = false;
               }
            }
         }
      }
      return okay;
   }
   private static String getPalType (String str) {
      int count = 0;
      String palType = "";
      for(int index = 0; index <= str.length()-1; index ++) {
         if(str.charAt(index) < ':' && str.charAt(index) > ' ' )
        Â
            if(str.charAt(index) == ' ')
               palType = "Phrase";
            count++;
      }
      if (palType == "Phrase")
         return palType ;
      if (count == str.length())
         return "Number" ;
      else
         return "Word" ;
   }
}