ToWriteList

1. java string constant/literal pool
• String str = new String("abc"); 幾個 ojbects 會被產生?
2. throw Exception, SecurityException, Throwable while method does not have thows declaration
• 原本的 method 沒有寫要 thows Exception, 但為何可以 thow SecurityException?
• 而且~~為何不能 thow Throwable?
3. Eclipse will generate strange byte code that will call Display.getHeight() but not Canvas.getHeight()
• try to reproduce this first!
4.