1.8 Exception Handling: DEALING WITH ERRORS
An Exception is an Object thrown from the site of the error.
Exception Handling Is Like A Different, Parallel Path of Execution.
Exception CANOT BE IGNORED.
Excetion Provide a Way to Reliably Recover from a bad site.
1.9 Multithreading
Here is an intence.
Java Builds Threads Into Language, The Program Is Logically Divided Into Threads.
And to Solve The Problem of Share Recources, Java Enables A Thread to Lock A Resource.this IS Accomplished Using The Synchronized Keyword.
1.10 persistence
1.11 Java and the Internet
Client / Server Computing
