comefrom: <awangdev>[lint]. Product of Array Exclude Itself_1.java
code: public ArrayList<Long> productExcludeItself(ArrayList<Integer> A) {
      	if (A == null || A.size() == 0) {
      		return null;
      	}
      	ArrayList<Long> rst = new ArrayList<Long>();
      	for (int i = 0; i < A.size(); i++) {
      		long num = 1;
      		for (int j = 0; j < A.size(); j++) {
      			if (j != i) {
      				num *= A.get(j);
      			}
      		}
      		rst.add(num);
      	}
      	return rst;
      }
masked: public ArrayList < Long > var_0 ( ArrayList < Integer > var_1 ) {
    if ( var_1 == null || var_1 . size ( ) == 0 ) {
      return null ;
    }
    ArrayList < Long > var_2 = new ArrayList < Long > ( ) ;
    for ( int var_3 = 0 ;
    var_3 < var_1 . size ( ) ;
    var_3 ++ ) {
      long var_4 = 1 ;
      for ( int var_5 = 0 ;
      var_5 < var_1 . size ( ) ;
      var_5 ++ ) {
        if ( var_5 != var_3 ) {
          var_4 *= var_1 . get ( var_5 ) ;
        }
      }
      var_2 . add ( var_4 ) ;
    }
    return var_2 ;
  }
  