comefrom: <gouthampradhan>string_ImplementStrStr_1.java
code: private boolean isEqual(String haystack, String needle, int i) {
      int hL = haystack.length();
      int nL = needle.length();
      int j = 0;
      while (i < hL && j < nL) {
        if (haystack.charAt(i) != needle.charAt(j)) return false;
        i++;
        j++;
      }
      return j >= nL;
    }
masked: private boolean var_0 ( String var_1 , String var_2 , int var_3 ) {
    int var_4 = var_1 . length ( ) ;
    int var_5 = var_2 . length ( ) ;
    int var_6 = 0 ;
    while ( var_3 < var_4 && var_6 < var_5 ) {
      if ( var_1 . charAt ( var_3 ) != var_2 . charAt ( var_6 ) ) return false ;
      var_3 ++ ;
      var_6 ++ ;
    }
    return var_6 >= var_5 ;
  }
  