Java - Write code to compare two string for equal ignore Case And Space and handle null value

Requirements

Write code to compare two string for equal ignore Case And Space and handle null value

Demo

//package com.book2s;

public class Main {
    public static void main(String[] argv) {
        String one = "book2s.com";
        String another = "book2s.com";
        System.out.println(equalignoreCaseAndSpace(one, another));
    }/*ww  w .j a v a 2 s. c o  m*/

    public static boolean equalignoreCaseAndSpace(String one, String another) {
        if (one == null) {
            return another == null;
        }
        if (another == null) {
            return false;
        }
        return one.trim().equalsIgnoreCase(another.trim());
    }

    public static String trim(String str) {
        return (str == null) ? null : str.trim();
    }
}