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| A String is said to be a palindrome if it remains unchanged when reversed.
 
String reverse(String s) {
  String result = "";
  for(int i=0; i < s.length(); i++) {
    result = s.charAt(i) + result; //add later characters before earlier characters
  }
  return result;
}
isPalindrome("madam") → true isPalindrome("") → true isPalindrome("made! edam") → false ...Save, Compile, Run (ctrl-enter) | 
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