public class PalindromeSimple {
public static Boolean isPalindrome(String str) {
return str == str.reverse();
}
}
CnB1YmxpYyBjbGFzcyBQYWxpbmRyb21lU2ltcGxlIHsKICAgIHB1YmxpYyBzdGF0aWMgQm9vbGVhbiBpc1BhbGluZHJvbWUoU3RyaW5nIHN0cikgewogICAgICAgIHJldHVybiBzdHIgPT0gc3RyLnJldmVyc2UoKTsKICAgIH0KfQ==
U3lzdGVtLmRlYnVnKFBhbGluZHJvbWVTaW1wbGUuaXNQYWxpbmRyb21lKCdtYWRhbScpKTsgLy8gdHJ1ZQpTeXN0ZW0uZGVidWcoUGFsaW5kcm9tZVNpbXBsZS5pc1BhbGluZHJvbWUoJ2hlbGxvJykpOyAvLyBmYWxzZQ==
System.debug(PalindromeSimple.isPalindrome('madam')); // true
System.debug(PalindromeSimple.isPalindrome('hello')); // false