HARD CB Unit 4 Q1

From: Developing Algorithms Using Strings Quiz

import java.util.Scanner;
public class Main 
{
	public static void palindromeChecker(String str) 
	{
		String noSpace = removeSpaces(str);
		String flipped = reverseString(noSpace);
		if (noSpace.equals(flipped)) 
		{
			System.out.print(str + " is a palindrome");
		} 
		else 
		{
			System.out.print(str + " is not a palindrome");
		}
	}

	public static String removeSpaces(String st)
	{
		String saved = "";
		for(int i=0; i<st.length();i++)
		{
			if(!(st.substring(i, i+1).equals(" ")))
			{	
				saved += st.substring(i, i+1);
			}
		}
		return saved;
	}

	public static String reverseString(String strr) 
	{
		String result = "";
		for (int i = 0; i < strr.length(); i++) 
		{
			String a = strr.substring(i, i + 1);
			result = a + result;
		}
		return result;
	} 
	
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		String in = input.nextLine();
		palindromeChecker(in);
		
	}	
}