This is the parent class
parent
Robin John wrote: Some platforms, in particular, allow a file to be opened for writing by only one FileWriter (or other file-writing object) at a time. In such situations the constructors in this class will fail if the file involved is already open.
Inner class in a static method has no access to instance variables.
The inner class object cannot use the local variables of the method the inner class is in, Unless the local variables are marked final!