Main.java Source code

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Here is the source code for Main.java

Source

public class Main {
    public static boolean isPalindrome(String stringToTest) {
        String workingCopy = removeJunk(stringToTest);
        String reversedCopy = reverse(workingCopy);

        return reversedCopy.equalsIgnoreCase(workingCopy);
    }

    static String removeJunk(String string) {
        int i, len = string.length();
        StringBuffer dest = new StringBuffer(len);
        char c;

        for (i = (len - 1); i >= 0; i--) {
            c = string.charAt(i);
            if (Character.isLetterOrDigit(c)) {
                dest.append(c);
            }
        }
        return dest.toString();
    }

    protected static String reverse(String string) {
        StringBuffer sb = new StringBuffer(string);
        return sb.reverse().toString();
    }

    public static void main(String[] args) {
        String string = "Madam, I'm Adam.";
        if (isPalindrome(string)) {
            System.out.println("yes");
        } else {
            System.out.println("no");
        }
    }
}