1) Now learn java simplier and easier.
2) All the main topics of java are included and yet more topics to come.
3) Bookmark the topics you want to read later.
4) Once done can be removed from bookmarks.
5) All bookmarks can be viewed and can be removed from one place.
6) Use the slider to view main topics or the sub-topics of selected main topic.
7) Topics already in bookmarks will have a colour indicator.
8) Can choose options from Preferences.
免費玩Learn Java Programming APP玩免費
免費玩Learn Java Programming App