comefrom: <awangdev>151. Reverse Words in a String_3.java
code: private String output(char[] arr) {
  
          StringBuffer sb = new StringBuffer();
          int count = 0;
          for (char c : arr) {
              count += c == ' ' ? 1 : 0;
              if (count != 0 & c != ' ') count = 0;
              if (count <= 1) sb.append(c);
          }
          return sb.toString().trim();
      }
masked: private String var_0 ( char [ ] var_1 ) {
    StringBuffer var_2 = new StringBuffer ( ) ;
    int var_3 = 0 ;
    for ( char var_4 : var_1 ) {
      var_3 += var_4 == ' ' ? 1 : 0 ;
      if ( var_3 != 0 & var_4 != ' ' ) var_3 = 0 ;
      if ( var_3 <= 1 ) var_2 . append ( var_4 ) ;
    }
    return var_2 . toString ( ) . trim ( ) ;
  }
  