Work Progress - Aug 10 to Aug 14

* Synthesizer web demo

• Instruction: here
  
• Website: here
• Due to some unknown reason, I have yet been able to make all the implemented features available in the web version. Those described in the instruction are the ones tested ready.

* Useful materials for drag-and-drop feature

• Chapter 3 and (especially) Charter 5 of Advanced Java How to Program. Free chapter slides and codes are available here.