Oak doors have an extra, unobtainable item form corresponding to its block ID. It can be obtained via inventory editors with numeric item ID 64.
When placed, the bottom half of a door is placed instead. What data value this is is unknown.
รุ่น Java Alpha
v1.0.1
The newly added iron door has an extra, unobtainable item form corresponding to its block ID. It can be obtained via inventory editors with numeric item ID 71.
When placed, the bottom half of a door is placed instead. What data value this is is unknown.
รุ่น Java Beta
1.6
Test Build 3
Oak door items can be obtained from the newly added debug chests, mainly from the 6th slot of the 3rd chest from the left, and the 17th slot of the 6th chest from the left.
Iron door items can be obtained from the newly added debug chests, mainly from the 13th slot of the 3rd chest from the left, and the 24th slot of the 6th chest from the left.
release
Debug chests no longer spawn, preventing oak door and iron door items from being obtained this way.
1.8
Pre-release 2 ;)
Added pick block functionality. This will change the currently selected slot to any containing one of the otherwise-unobtainable door items, but will not allow it to be obtained if not already in the hotbar.