Answers for "reverse string order"

reverse a string

//////////////////////////////////////
function reverse(str) {
  if(!str || str.length<2 || typeof str !== 'string'){
    return 'hmmm that is not good...';
  	}
  return str.split('').reverse().join('');
}

//////////////////////////////////////
function reverse(str) {
  let n = str.length;
  let s = '';
  for (let i = n - 1; i >= 0; i--) {
    s += str[i];
  }
  console.log(s);
}
reverse('Hello'); // olleH

reverse a string

public static String reverse(String orig)
{
    char[] s = orig.toCharArray();
    int n = s.length;
    int halfLength = n / 2;
    for (int i=0; i<halfLength; i++)
    {
        char temp = s[i];
        s[i] = s[n-1-i];
        s[n-1-i] = temp;
    }
    return new String(s);
}